A manufacture has been selling 1700 television sets a week at $540 each, A market survey indicates that for each $23 rebate offered to a buyer, the number of sets sold will increase by 230 per week. a) Find the demand function 19(3) where :c is the number of the television sets sold per week. We) = i:i b) How large rebate should the company offer to a buyer, in order to maximize its revenue? $l:i c) lfthe weekly cost function is 153000 + 180%, how should it set the size of the rebate to maximize its prot? isl:l