EX 9-1: The Blue Water Caf forecasts its beverage sales based on food sales. Its food sales are estimated based on the trend of both customer counts and average food service check. The historical data for the Blue Water Caf for June of 20X1-20X3 is as follows:

Required: Forecast the food and beverage sales for June 20X4 based on the above information.

20X1 20X2 20X3 Customer Count 3,000 3,150 3,300 Average Food Service Check $8.00 $8.40 $8.82 Beverage sales $6,000 $6,615 $7,294