In2019,arestauranthadfixedcostsof£636000.Therestauranthadtotalvariablecostsof£469000andsold100000units.Calculatethetotalcostsoftherestaurantin2019.Onlyincludenumbersinyouranswer.

In2015,anairlinehadfixedcostsof£203000.Theairlinehadtotalcostsof£709000.Calculatethevariablecostoftheairlinein2015.Note:donotincludeacommainyouranswer.

Atoycompanyisrepresentedinthetableshowingthenumberoftoyssoldbetween2015and2019.Year Sales2015 44302016 10932017 45962018 44182019 2486Giventhepriceofatoyremainedat£1.55between2015and2019,calculatetherevenuemadein2018.Giveyouranswerto2decimalplacesifneeded

Adrinkscompanyhassold86bottlesatapop-upstall.Attheendofthepop-upstall,arevenueof£130wasmade.Whatwasthesalepriceofthebottles?Giveyouranswerto2decimalplaces.

Astickercompanyisrepresentedinthetableshowingthenumberofstickerssoldbetween2015and2019.Year Sales2015 25002016 22862017 27812018 26822019 2665Giventhepriceofastickerremainedat£1.55between2015and2019,calculatetherevenuemadein2015.Giveyouranswerto2decimalplacesifneeded

AsmalltieshopsellstiesforGHC3.50each.Thedailycostfunctionisestimatedto beC(x)dollarswherexisthenumberoftiessoldonatypicaldayandC(x)= 0.0006x3–0.03x2+2x+20.Findthevalueofxthatwillmaximizethestore’sdaily profit