To produce x units of a religious medal costs C(x) = 11x+ 133. The revenue is R(x) = 30x. Both cost and revenue are in dollars. a. Find the break-even quantity. b. Find the profit from 370 units. c. Find the number of units that must be produced for a profit of $190. a units is the break-even quantity. (Type an integer.) b. The profit for 370 units is $ C. units make a profit of $190. (Type an integer.)