anchor.diff:                                      "ng-model" => "affordability.earnings.person0.extra",
                                       "ng-initial" => "",
                                       "currency" => '',
  -                                    "placeholder" => "£0",
  +                                    "placeholder" => "0",
                                       "data-m-dec" =>"0",
                                       "aria-describedby" => "tip_extra_income_0",
                                       "aria-labelledby" => "label_extra_income0 label_extra_income0a",
  
positive.code:                                     "ng-model" => "affordability.earnings.person0.net_pay",
                                      "ng-initial" => "",
                                      "currency" => '',
                                      "placeholder" => "£0",
                                      "aria-describedby" => "tip_monthly_net_income_0",
                                      "aria-labelledby" => "label_monthly_net_income_0 label_monthly_net_income_0a",
                                      "value" => person.object.monthly_net_income_formatted,
  
negative.code:                                     "ng-initial" => "",
                                      "ng-disabled" => "!isCheckboxSelected('1')",
                                      "currency" => '',
                                      "placeholder" => "0",
                                      "data-m-dec" =>"0",
                                      "aria-describedby" => "tip_annual_income_1",
                                      "aria-labelledby" => "label_annual_income1 label_annual_income1a",
  