(3) The marginal prot in dollars on Brie cheese sold at a cheese store is given by P'(2:) = $(50132 + 303:), Where :1: is the amount of cheese sold, in hundreds of pounds. The \"prot\" is $40 negative dollars when no cheese is sold. Find the prot function. (4) Find the cost function each marginal cost function. (a) 0"(13) = 41: 5; Fixed cost is $8. (b) C\"(:1:) = 0.0360015\"; Fixed cost is $8. (c) 0"(3) = 5:17 i; 10 units cost at $94.20