Following a lean approach to a "level and balanced" schedule, what batch quantities per cycle would result using the following monthly requirements data? Note: Assume set up times (changeover times) are negligible. Monthly Item Demand Forecast 5,000 2,000 3,000 1,000 Select one: a. 5,000 A's, 2,000 B's, 3,000 C's, and 1,000 D's per cycle b. 5 A's, 2 B's, 3 C's, and 1 D per cycle c. 500 A's, 200 B's, 300 C's, and 100 D's per cycle d. 50 A's, 20 B's, 30 C's, and 10 D's per cycle e. Approximately 227 A's, 91 B's, 136 C's, and 45 D's per cycle