18) Gourmet College has recently opened a restaurant as part of its hospitality major. The manager gathered the following data from the first five weeks of operations. Knowing you are currently taking a managerial accounting course he has asked that you analyze the data. Week Number of Weekly total customers per restaurant costs week incurred 1,200 $25,200 1,600 26,890 1,750 28,840 1,633 27,150 1,900 38,150 1,790 39,600 Using the high-low method estimate the weekly cost function for the restaurant costs. (10 marks)