问题详情

TheboardofHelotCohasaskedthefinancedirectortoexplainwhatactivitiescanbeundertakentocloseacostgaponitscomputergames.
WhichofthefollowingwouldbeappropriatewaysforHelotCotocloseacostgap？
(1)Buycheaper,lowergradeplasticforthegamediscsandcases
(2)Usingstandardcomponentswhereverpossibleinproduction
(3)Employmoretraineegamedesignersonlowersalaries
(4)Usethecompany’sownonlinegamingwebsitesformarketing
A.1,2and3
B.1,3and4
C.2and4
D.2and3only

请帮忙给出正确答案和分析，谢谢！