What is the area of this trapezoid?

a.108 in²
b. 139.5 in²
c.166 in²
d.171 in²

The answer is B. If you want work, please say so.

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425