Answer:
a. 6,628
Step-by-step explanation:
Sales forecast for current year June month = 6,435 cases*(1+0.03) = 6,435 cases*1.03 = 6,628.05 cases
Total sales for June in current year = Sales forecast for June + increase in sales due to promotion = 6,628.05 cases + 500 cases = 7,128.05 cases