Cost, revenue, and profit are dollar and X Is the humber of units. A firm knows that its marginal cost for a product is MC = 3x + 15, that its marginal revenue is MR = 55 – 5x, and that the cost of production of 80 units is $10,940. (a) Find the optimal level of production. units (b) Find the profit function. P(x) = (c) Find the profit or loss at the optimal level. There is a ---Select--- v of $

A piano manufacturer has a daily fixed cost of $1,700 and a marginal cost of $2,100 per piano. Find the cost C(x) of manufacturing x pianos in one day. C(x) = 2100 + 1700 X Use your function to answer the following questions. (a) On a given day, what is the cost of manufacturing three pianos? $8000 That's it! (b) What is the cost of manufacturing the third piano that day? $ 2100 Nicely done. (c) What is the cost of manufacturing the 11th piano that day? $ 2100 Excellent! (d) What is the variable cost? $ What is the fixed cost? $ What is the marginal cost? $ X per piano

The manufacturer of an energy drink spends $1.40 to make each drink and sells them for $3. The manufacturer also has fixed costs each month of $8000. a. Find the cost function C when x energy drinks are manufactured C(x)= b. Find the revenue for R when x drinks are soldR(x)= c. Find the break even point by any method  x=         drinks