A firm received an order for 200 electric golf carts. The carts must be ready for delivery by week 8. Based on the following information, finish the questions. Parts List for Electric Golf Cart Electric golf cart Top - Top @level - Base @ level - Body @ level. - Wheel assemblies @ level - Seats @ level Supports (4) Cover Base Motor Body Frame Controls Wheel assemblies (4) Seats (2) Lead Time 1 1 1 1 2 3 1 1 1 2 Quantity on Hand 0 40 200 0 20 300 50 35 0 240 120 a. Which levels in the bill of materials are the following parts at (level 0,1,2,3,4??)? Hints: Level 0 has no indent. Level 1 has 1-tab indent. Level 2 has 2 tabs, and so on.