The mall charges 40 cents for the first hour of parking and $3 for each additional hour until the customer reaches 4 hours, after that the parking fee is $2 per hour. If Mr.Park parked his car in the mall for 7 hours and 30 minutes, how much is he going to pay? Pick: A) $6.8 B) $12. C) $13. D) $14.5. E) $15.
0.40+2*2+1*2+0.40= 
<gadget id="calculator">0.40+2*2+1*2+0.40</gadget>
<output>6.8</output>
$6.8   $6.8nswer : $6.8
<result>A</result>
The mall charges 40 cents for the first hour of parking and $3 for each additional hour until the customer reaches 4 hours, after that the parking fee is $2 per hour. If Mr.Park parked his car in the mall for 7 hours and 30 minutes, how much is he going to pay?