offices cleaned budget 280 actual-320 revenue budget 44,800 actual 60,800 variable cost cost of supplies 1260 actual 2010 labor 6720 actual 8400 total variable cost 7980 actual 10,jackie Black has run healing Maids a speciality cleaning service for medical and dental offices for the past 10 years. her static budget and actual results for April 2017 are shown below410 contribution margin 36,820 50,390 fixed costs 9,800 actual 9,800 operating income 27,020 actual 40,590