Problem 5-30 Graphing; Incremental Analysis; Operating Leverage [LO5-2, LO5-4, LO5-5, LO5-6, LO5-8] [The following information applies to the questions displayed below.] Angie Silva has recently opened The Sandal Shop in Brisbane, Australia, a store that specializes in fashionable sandals. In time, she hopes to open a chain of sandal shops. As a first step, she has gathered the following data for her new store: Sales price per pair of sandals Variable expenses per pair of sandals Contribution margin per pair of sandals Fixed expenses per year: 30 15 15 Building rental Equipment depreciatiorn Selling Administrative 11,300 11,300 9,000 13,400 $45,000 Total fixed expenses