Let R(x), C(x), and P(x) be, respectively, the revenue, cost, and profit, in dollars, from the production and sale of x items. If R(x)equals6x and C(x)equals0.003 x squared plus 1.5 x plus 60, find each of the followinga. P(x),R(200),C(200)b. P(200),R′(x),C′(x)c. P′(x),R′(200) d. C′(200)e. P′(200)