Bus Econ 1.2.33 To produce x units of a religious medal costs C(x) = 15x + 36. The revenue is R(x) = 24x. Both cost and revenue are in dollars. a. Find the break-even quantity b. Find the profit from 510 units. c. Find the number of units that must be produced for a profit of $90. units is the break-even quantity. (Type an integer.)