Required information [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: 3. Angie has decided that she must earn a profit of $19,500 the first year to justify her time and effort. How many pairs of sandals must be sold to attain this target profit