The Quick Pump service station gives customers the choice of a Basic car wash for $7.50, a Wax 'n Shine for $10.00 and an Inside 'n Out for $18.50. In a week, the station sold 111 Basic, 124 Wax 'n Shine and 32 Inside 'n Out. What is the weighted value of the car washes Quick Pump sold in the week