diff --git a/spec/controllers/admin/business_model_configuration_controller_spec.rb b/spec/controllers/admin/business_model_configuration_controller_spec.rb
index 3418408417..b0ae86d4ac 100644
--- a/spec/controllers/admin/business_model_configuration_controller_spec.rb
+++ b/spec/controllers/admin/business_model_configuration_controller_spec.rb
@@ -58,7 +58,7 @@ describe Admin::BusinessModelConfigurationController, type: :controller do
 
         it "does not allow them to be set" do
           expect(response).to render_template :edit
-          expect(assigns(:settings).errors.count).to be 4
+          expect(assigns(:settings).errors.count).to be 5
           expect(Spree::Config.account_invoices_monthly_fixed).to eq 5
           expect(Spree::Config.account_invoices_monthly_rate).to eq 0.02
           expect(Spree::Config.account_invoices_monthly_cap).to eq 50
diff --git a/spec/features/admin/business_model_configuration_spec.rb b/spec/features/admin/business_model_configuration_spec.rb
index 61da09293f..05d5367437 100644
--- a/spec/features/admin/business_model_configuration_spec.rb
+++ b/spec/features/admin/business_model_configuration_spec.rb
@@ -11,7 +11,7 @@ feature 'Business Model Configuration' do
       Spree::Config.set({
         account_invoices_monthly_fixed: 5,
         account_invoices_monthly_rate: 0.02,
-        account_invoices_monthly_cap: 50
+        account_invoices_monthly_cap: 50,
         account_invoices_tax_rate: 0.1
       })
     end
@@ -45,7 +45,7 @@ feature 'Business Model Configuration' do
         expect(Spree::Config.account_invoices_monthly_fixed).to eq 10
         expect(Spree::Config.account_invoices_monthly_rate).to eq 0.05
         expect(Spree::Config.account_invoices_monthly_cap).to eq 30
-        expect(Spree::Config.settings_account_invoices_tax_rate).to eq 0.15
+        expect(Spree::Config.account_invoices_tax_rate).to eq 0.15
       end
     end
   end
diff --git a/spec/jobs/finalize_account_invoices_spec.rb b/spec/jobs/finalize_account_invoices_spec.rb
index e169df93e5..552a909f3f 100644
--- a/spec/jobs/finalize_account_invoices_spec.rb
+++ b/spec/jobs/finalize_account_invoices_spec.rb
@@ -200,9 +200,9 @@ describe FinalizeAccountInvoices do
         invoice.reload
 
         expect(invoice.completed_at).to_not be_nil
-        expect(invoice.total).to eq billable_period1.bill
+        expect(invoice.total).to eq billable_period1.bill.round(2)
         expect(invoice.payments.count).to eq 1
-        expect(invoice.payments.first.amount).to eq billable_period1.bill
+        expect(invoice.payments.first.amount).to eq billable_period1.bill.round(2)
         expect(invoice.state).to eq 'complete'
       end
     end
diff --git a/spec/jobs/update_account_invoices_spec.rb b/spec/jobs/update_account_invoices_spec.rb
index 42198f4ff9..fd2a490d8c 100644
--- a/spec/jobs/update_account_invoices_spec.rb
+++ b/spec/jobs/update_account_invoices_spec.rb
@@ -152,7 +152,7 @@ describe UpdateAccountInvoices do
           it "creates adjustments for each billing item" do
             adjustments = invoice_order.adjustments
             expect(adjustments.map(&:source_id)).to eq [old_billable_period.id]
-            expect(adjustments.map(&:amount)).to eq [old_billable_period.bill]
+            expect(adjustments.map(&:amount)).to eq [old_billable_period.bill.round(2)]
             expect(adjustments.map(&:label)).to eq [old_billable_period.adjustment_label]
           end
 
@@ -189,7 +189,7 @@ describe UpdateAccountInvoices do
         it "creates adjustments for each billing item" do
           adjustments = july_account_invoice.order.adjustments
           expect(adjustments.map(&:source_id)).to eq [billable_period1.id, billable_period2.id]
-          expect(adjustments.map(&:amount)).to eq [billable_period1.bill, billable_period2.bill]
+          expect(adjustments.map(&:amount)).to eq [billable_period1.bill.round(2), billable_period2.bill.round(2)]
           expect(adjustments.map(&:label)).to eq [billable_period1.adjustment_label, billable_period2.adjustment_label]
         end
 
@@ -355,8 +355,8 @@ describe UpdateAccountInvoices do
           expect(user.orders.first).to eq invoice_order
           expect(invoice_order.completed_at).to be_nil
           billable_adjustments = invoice_order.adjustments.where('source_type = (?)', 'BillablePeriod')
-          expect(billable_adjustments.map(&:amount)).to eq [billable_period2.bill, billable_period3.bill]
-          expect(invoice_order.total).to eq billable_period2.bill + billable_period3.bill
+          expect(billable_adjustments.map(&:amount)).to eq [billable_period2.bill.round(2), billable_period3.bill.round(2)]
+          expect(invoice_order.total).to eq (billable_period2.bill + billable_period3.bill).round(2)
           expect(invoice_order.payments.count).to eq 0
           expect(invoice_order.state).to eq 'cart'
           expect(invoice_order.bill_address).to be_a Spree::Address
@@ -399,8 +399,8 @@ describe UpdateAccountInvoices do
           expect(invoice_order.completed_at).to be_nil
           billable_adjustments = invoice_order.adjustments.where('source_type = (?)', 'BillablePeriod')
           expect(billable_adjustments).to_not include billable_adjustment
-          expect(billable_adjustments.map(&:amount)).to eq [billable_period2.bill, billable_period3.bill]
-          expect(invoice_order.total).to eq billable_period2.bill + billable_period3.bill
+          expect(billable_adjustments.map(&:amount)).to eq [billable_period2.bill.round(2), billable_period3.bill.round(2)]
+          expect(invoice_order.total).to eq (billable_period2.bill + billable_period3.bill).round(2)
           expect(invoice_order.payments.count).to eq 0
           expect(invoice_order.state).to eq 'cart'
           expect(invoice_order.bill_address).to be_a Spree::Address