part a and b are done. only answer the part c accordingly which is about the revenue and net income. thanks in advance

4: Unilever Customer Development Program. UNILEVER CUSTOMER DEVELOPMENT PROGRAM Family Grocery Shop: Off Bill On BILI 2.5% Total 3.5% FG 1% off bill: Merchandiser takes store picture and does auditing while monthly visit Tier 1: Muhalla Shop on Bill 1.5% Off Bill 1% Total 1.5% TI Tier 2: Muhalla Shop Total T2 On Bill 1% Off Bill 0.5% 1.5% Tier 3: Muhalla Shop on Bill T3 Off Bill Total 1% (Max Rs.500) . Monthly Capping of Rs.500 No display 1% on Purchase . Less purchase (Rs. 15,000-Rs20,000 in month) A- On what KPIs discounting structures can have an impact and why? B- What needs to be done to ensure business hygiene across the channels while setting discounting structures? C- Keeping the below mentioned table in consideration, what impact discounts can have on Gross Revenues and Net Revenues