I cant figure out to calculate total customer orders before next mps and temp atp.

3.7. Calculate the available to promise using the following data. There are 90 units on hand. On-hand inventory 90 Week 1 2 3 4 5 6 Customer Orders 70 70 20 40 10 MPS 100 100 100 ATP 20 10 50 100 - Total Customer Orders before Next MPS -- Temp ATP 3.7. Calculate the available to promise using the following data. There are 90 units on hand. On-hand inventory 90 Week 1 2 3 4 5 6 Customer Orders 70 70 20 40 10 MPS 100 100 100 ATP 20 10 50 100 - Total Customer Orders before Next MPS -- Temp ATP