Janelle? Heinke, the owner of? Ha'Peppas!, is considering a new oven in which to bake the? firm's signature? dish, vegetarian pizza

Janelle? Heinke, the owner of? Ha'Peppas!, is considering a new oven in which to bake the? firm's signature? dish, vegetarian pizza. Oven type A can handle 20 pizzas an hour. The fixed costs associated with oven A are $22,500 and the variable costs are $3.00 per pizza. Oven B is larger and can handle 42 pizzas an hour. The fixed costs associated with oven B are  $30,000 and the variable costs are $1.00 per pizza. The pizzas sell for $15.00 each.

a) The? break-even point in units for oven type A? = _______ units ?(round your response to the nearest whole? number).