Salesperson A's compensation for any week is $360 plus 6 percent of the portion of A's total sales above $1,000 for that week. Salesperson B's compensation for any week is 8 percent of B's total sales for that week. For what amount of total weekly sales would both salespeople earn the same compensation?
$21,000
$18,000
$15,000
$4,500
$4,000
我以为A,B 的sales 是不同的。题中哪里是说相同的啊有大神帮忙讲一下吗。 同问
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