Answer correctly a and b for a thumbs up!

1. Part PM-1 requires 5 operations in sequence named operations A, B, C, D and E. The scrap rate for operation A, B, C, and D is 2%, 1%, 2%, 2% and 1% respectively. If 5,000 parts are required per month and materials used to produce part PM-1 are purchased in monthly lots. a. Develop the process diagram representing each variable that needs to be calculated. O I = 1-Pk 0 = output P = scrap 1 =input b. Determine the materials lot size to purchase per month at the beginning of operation A