A manufacturer has been selling 1000 television sets a week at each. A market survey indicates that for each rebate offered to a buyer, the number of sets sold will increase by 110 per week.
a) Find the function representing the revenue R(x), where x is the number of rebates offered.
For this, I got . Which is marked correct
b) How large rebate should the company offer to a buyer, in order to maximize its revenue?
For this I got 17.27. Which was incorrect. I then tried 840999, the sum total revenue at optimized levels
c) If it costs the manufacturer for each television set sold and there is a fixed cost of , how should the manufacturer set the size of the rebate to maximize its profit?
For this, I received an answer of 10, which was incorrect.