In deciding whether to add or drop newproducts, services, or departments, managers should emphasize the option that makes the greatest contributionpossible to pay unavoidable costs.

A:Goodmorning!MynameisEric.I’mnewhere.B:     ①      ,Eric.I’m      ②     .A:Robert,      ③       doyouworkin?B:I    ④     theSales&MarketingDepartment.A:Thenyouhavetodealwithpeople    ⑤      .B:Exactly!Ourresponsibilityisto     ⑥     customers,findanddirectoutsidevendors.Whichdepartmentdoyouworkfor?A:I     ⑦     theR&DDepartment.IstudiedindustrialdesignwhenIwasacollegestudent.B:Very     ⑧   job!A:Yes.Weareresponsiblefor   ⑨    newproducts,systemsorideasthatenablepeopletoleadbetter   ⑩   .B:And,wetaketheresponsibilityto   ⑪    theproductsyoudesign!A:Right.So,we’lloften    ⑫      inthefuture.A.1B.2C.3D.4E.5F.6G.7H.8I.9J.10K.11L.12