A firm operates on the assumption that it can sell every unit of output that it products at a price of £20, no matter what its output level is, and that each unit produced adds £15 to costs. If fixed...

A firm operates on the assumption that it can sell every unit of output that it products at a price of £20, no matter what its output level is, and that each unit produced adds £15 to costs. If fixed costs are £50, even if nothing is produced, is it possible for this finn to determine

(a) the output at which it will break even?

(b) the output at which profits will be maximized?