step by step break down please?

Consider the master production schedule in the table below for a manufacturer that assembles refrigerators. Wk1 WK2 Wk3 Wk4 Wk5 Wk6 Wk7 Wk8 50 60 50 0 70 100 0 40 100 0 0 60 OO 100 30 Model A Beginning Inventory = 30 MPS Committed Orders Model B Beginning Inventory = 20 MPS Committed Orders Model C Beginning Inventory = 40 MPS Committed Orders 70 40 100 20 0 100 60 0 OO 50 50 80 20 20 0 90 100 100 100 100 20 40 40 60 0 50 0 100 50 50 What is the maximum Available-to-Promise (ATP) quantity by the end of week 5 for model A? A) O units B) 20 units C) 40 units D) 100 units Next