To produce x units of a religious medal costs C(x) = 11x + 36. The revenue is R(x) = 23x. Both cost and revenue are in dollars. a. Find the break-even quantity. b. Find the profit from 470 units. c. Find the number of units that must be produced for a profit of $120. a. ___ units is the break-even quantity. (Type an integer) b. The profit for 470 units is $___ c. ___ units make a profit of $120. (Type an integer.)