Please provide steps in calcualtions

Parent Fumiture Company manufactures and sells oak tables and chairs. Price and cost data for the furniture follow. EEE (Click the icon to view the price and cost data.) and Cory. Alfred sold 110 tables with 4 chairs each. Bill sold 100 tables with 8 chairs each. Cory sold 60 tables with 6 chairs each Parent Fumiture has three sales representatives Alfred Read the requirements Requirement 1. Calculate the total contribution margin and the contribution margin ratio for each sales representative (round to two decimal places). Before calculating the total contribution margin, begin by identifying and calculating the total number of tables and chairs sold by each sales representative for the period. Sales rep: Tables sold Chairs per table Total chairs sold 440 Alfred 10 Data Table 00 800 Cory 60 360 Tables Chairs Calculate the total contribution margin for each sales representative. Sales Price 1,000 Sales representative: Alfred Bill Cory Variable manufacturing costs 750 Sales revenue 132,000 Variable costs Sales commission (10% 100 Contribution margin Print Done