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 stat of week 9. (Assume all parts are lot-for-lot.) a. Develop a master schedule for this revised plan. b. Determine the timing and quantities for orders for tops and bases. c. Assume that equipment problems reduce the firm's capacity for assembling bases to 50 units per week. Revise your material plan for bases to reflect this, but still meet delivery dates. (Leave no cells blank - be certain to enter " 0 " wherever required.)