The Starfish The Starfish restaurant's customer visits and total expenses over the last seven months were as follows: Month Customer Visits Expense March 8,000 $12,000 April 7,500 $11,700 May 10,000 $13,200 June 11,500 $14,100 July 13,500 $15,300 August 12,500 $14,700 September 10,000 $13,200 1) Assuming the number of customer visits is a measure of overall activity of the restaurant, what is the cost formula for total expenses? 2) Using the cost formula which you derived above, what amount of expenses would you expect to be incurred at an activity level of 11,500 customer visits