Solve the Problem $t$ Units Are Sold $t>0$ , Is Given By $P=t^{2}-22 t+120$

Multiple Choice

Solve the problem.
-The profit made when $t$ units are sold, $t>0$ , is given by $P=t^{2}-22 t+120$ . Determine the number of units to be sold in order for $\mathrm{P}=0$ (the break- even point) .

A) $t=-12$ or $t=-10$
B) $t=12$ or $t=10$
C) $t>12$
D) $t=22$