Question 4 The following year, the same retailer had the following changes to its costs and revenue figures. These are shown in the table below. Calculate the gross profit, operating profit and profit for the year figures and the margins for the following year of the business. Last Year Following Year % change Revenue 1,255,000 15% increase Cost of sales 480,000 22% increase Operating expenses 350,000 5% increase Interest 85,500 8% increase