Complete the following DRP records. Starting in week 2, use the error add-back method for calculating DRP. Actual demand for period 1, 2, 3 is 158,148,156 (14 marks) Forecast Requirements= 150 Part # Forecasted Requirements In Transit Projected Inv 170 Net Requirement Planned Order Receipt Planned Order Release Ship 158 week 1 Forecast Requirements= 150 Part # Forecasted Requirements In Transit Projected Inv Net Requirement Planned Order Receipt Planned Order Release 1 OQ 100 Lead Time= 1 SS= 20 2 200 3 4 5 (2 marks) 6 OQ= 100 Lead Time=1 SS= 20 (3 marks) 2 3 4 Show formula(s) here: Ship 148 week 2 Part # Forecasted Requirements In Transit Projected Inv Net Requirement Planned Order Receipt Planned Order Release Ship 156 week 3 Part # Forecasted Requirements In Transit Projected Inv Net Requirement Planned Order Receipt 3 4 5 Show formula(s) here: (3 marks) (3 marks) 4 5 6 Planned Order Release Questions (3 marks total): a. The error addback method assumes forecasts are: b. What is the advantage of using either the Firm Planned Order or Error Addback method?