Solve the Problem $\mathrm { t }$ Units Are Sold $\mathrm { t } > 0$

Multiple Choice

Solve the problem.
-The profit made when $\mathrm { t }$ units are sold, $\mathrm { t } > 0$ , is given by $\mathrm { P } = \mathrm { t } ^ { 2 } - 28 \mathrm { t } + 187$ . Determine the number of units to be sold in order for $\mathrm { P } > 0$ (a profit is made) .

A) $t = 17$ or $t = 11$
B) $17 < t < 11$
C) $t > 17$ or $t < 11$
D) $t = 28$