Answer the questions and its part below and show all work and steps

5. A video screen company pays $300,000 in fixed costs for its machines and pays $78 to produce each screen. They sell them for $179 each.

1. Find the cost, revenue and profit functions as a function of x, the number of screens sold.
2. What is the breakeven quantity?

6. Wr ite as decimals

45p + 6002500 P F+ 1+49 2.5135p + 200