Assume that unusually mild weather has caused a change in the quantity and timing of orders for golf carts. The revised plan calls for $100$ golf carts at the start of week $6,100$ at the start of week $8,$ and $100$ at the start of week $9.($Assume all parts are lot$-$for$-$lot.$)$

Parts List for Electric Golf Cart Lead Time Quantity on Hand

Electric golf cart $10$

Top $140$

Base $120$

Top

Supports $(4)1200$

Cover $10$

Base

Motor $2300$

Body $350$

Seats $(2)2120$

Body

Frame $135$

Controls $10$

Wheel assemblies $(4)1240$