Ben's Breakfast Bar The income statement for the month of July is presented below: R Revenue 46 800 Cost of Sales 31 200 Gross Profit 15 600 Less other operating expenses Rent* 4 000 Depreciation* 1 500 Electricity and water 1 200 Wages - Waiting Staff 1 560 Wages - Kitchen Staff* 500 Sundries* 400 Net Income 6 440 NOTES Ben's breakfast bar sells a muffin and coffee combo at R12 each (i.e. for the muffin and coffee together). 3,900 combo's were sold during July. * These items are fixed costs and will remain unchanged if additional combo's are sold. All other expenses increase and decrease directly with changes in the number of combo's sold. Questions 1. If Ben sold 1 more combo, how much would the overall Net Income increase by? 2. If sales doubled, what would Ben's Net Income become? 3. How many combo's must be sold to break even in a month