Problem 4-16 points (Questions a, b, c, and d = 4 points each) The time-phased net requirements for the base assembly in a table lamp over the next six weeks are Week 1 2 3 4 5 6 Requirements 335 200 140 440 300 200 The setup cost for the construction of the base assembly is $200, and the holding cost is $0.30 per assembly per week. a. What lot sizing do you obtain from the EOQ formula? b. Determine the lot sizes using the Silver-Meal heuristic. c. Determine the lot sizes using the least unit cost heuristic. d. Determine the holding cost, setup cost, and total cost obtained over the six periods using the three policies found in parts (a) through (c)