Correct weekly income calculation based on a given yearly income (#483)

app/models/case_log.rb

@@ -100,7 +100,7 @@ class CaseLog < ApplicationRecord
     elsif net_income_is_monthly?
       ((earnings * 12) / 52.0).round(0)
     elsif net_income_is_yearly?
-      (earnings / 12.0).round(0)
+      (earnings / 52.0).round(0)
     end
   end
 

config/locales/en.yml

@@ -93,8 +93,8 @@ en:
       benefits:
         part_or_full_time: "Answer cannot be 'all' for income from Universal Credit, state pensions or benefits if the tenant or their partner works part-time or full-time"
       earnings:
-        over_hard_max: "Net income cannot be greater than %{hard_max} given the tenant’s working situation"
-        under_hard_min: "Net income cannot be less than %{hard_min} given the tenant’s working situation"
+        over_hard_max: "Net income cannot be greater than £%{hard_max} per week given the tenant’s working situation"
+        under_hard_min: "Net income cannot be less than £%{hard_min} per week given the tenant’s working situation"
         freq_missing: "Select how often the household receives income"
         earnings_missing: "Enter how much income the household has in total"
       negative_currency: "Enter an amount above 0"

spec/models/case_log_spec.rb

@@ -186,7 +186,7 @@ RSpec.describe CaseLog do
 
     it "calculates the correct weekly income from yearly income" do
       case_log.incfreq = 3
-      expect(case_log.weekly_net_income).to eq(417)
+      expect(case_log.weekly_net_income).to eq(96)
     end
   end