22 RIVER-RAFT SALES Olympic Sports purchased a job lot of 380 river rafts for S7600. If they sold 158 of the rafts at $45 each, 74 at $35 each, 56 at $30 each, and the remainder at $25 each, find (a)...

Extracted text: 22 RIVER-RAFT SALES Olympic Sports purchased a job lot of 380 river rafts for S7600. If they sold 158 of the rafts at $45 each, 74 at $35 each, 56 at $30 each, and the remainder at $25 each, find (a) the total amount received for the rafts, (b) the total markup, (c) the markup percent on selling price, and (d) the equivalent markup percent on cost.