2) Assume that after performing step #9 of this exercise, you tried to move to the MRP3 view. The bottom of the following screenshot shows the resulting error message. Material on to Environment System Help 50 @ 0008133 BD Create Trading Goods CUSHION998 Adational Data Org. Levels & Check Screen Data MRP 3 MRP 4 Forecasting Plant data MRP 2 GE MRP 1 Material Plant CUSHION998 CRPT Cushion998 Classic Rockers Manufacture P1 Procurement Procurement type Special procurement Quota ar Usage Backush JIT delivery sched Bukser Batch entry Prod, stor location Default supply area Storage loc for EP Stock det gp days Scheduling Planned Deliv Time Planning Calendar days OR Processing Time Schedargin key Not requirements calculation Safety Stock Min safety stock Safety time ind Time period profile Service level (1) Coverage profile Safety time act.com days Enter the scheduling margin key Based on the error message shown, what kind of application control is present on the Sched Margin key field? a. completeness check b. validity check C. limit check d. range check e size check f. sign check g. field check 3) What kind of control is this control procedure? a preventive b. detective