Bus Econ 11.5.45 The profit in dollars from the sale of x expensive watches is P(x) = 0.09x- - 4x + 2x - 4500. Find the marginal profit when (a) x = 300, (b) x = 1000, (c) x =6000, and (d) x = 10,000. (a) When x = 300, the marginal profit is $ . (Round to the nearest integer as needed.)Bus Econ 11.6.37 Question Help The Student Government Association is making Mother's Day gift baskets to sell at a fund-raiser. If the SGA makes a larger quantity of baskets, it can purchase 6x + 1 materials in bulk. The total cost (in hundreds of dollars) of making x gift baskets can be approximated by C(x) =- x + 60 . Complete parts (a) through (c) below. (a) Find the marginal cost function and the marginal cost at x = 30 and x = 60. The marginal cost function is