2019-06-27
方案一:(7.5*10+3)*5=390,汇款费用为4元,390+4=394
方案二:7.5*(1+15%)*50=431.25,汇款费用为5元,431.25+5=436.25
设购买50本,或60本或70本
(7.5*10+3)*5=390,汇款费用为4元,390+4=394
7.5*(1+15%)*50=431.25,汇款费用为5元,431.25+5=436.25
(7.5*10+3)*6=468,汇款费用5元,468+5=473
7.5*(1+15%)*60=517.5,汇款费用6元,共523.5元
(7.5*10+3)*7=546,汇款费用6元共552
7.5*(1+15%)*70=603.75,汇款费用7元,共610.75
所以第一种方案比较好
方案一:(7.5*10+3)*5=390,汇款费用为4元,390+4=394
方案二:7.5*(1+15%)*50=431.25,汇款费用为5元,431.25+5=436.25
设购买50本,或60本或70本
(7.5*10+3)*5=390,汇款费用为4元,390+4=394
7.5*(1+15%)*50=431.25,汇款费用为5元,431.25+5=436.25
(7.5*10+3)*6=468,汇款费用5元,468+5=473
7.5*(1+15%)*60=517.5,汇款费用6元,共523.5元
(7.5*10+3)*7=546,汇款费用6元共552
7.5*(1+15%)*70=603.75,汇款费用7元,共610.75
所以第一种方案比较好