Letterman & Sons Ltd. provides you with the following figures for the year 2017. Sales (in units): 1st Quarter Product A Product B 1,250 1,600 IInd Quarter 2,950 800 IIIrd Quarter IVth Quarter 2,700 1,000 3,100 600 Selling price per unit Rs. 24 Rs. 50 Targets for 2018: Sales quantity increase (decrease) Selling price increase (decrease) (20%) 25% 25% (20%) Sales area X, Y and Z respectively produce 10%, 20%, 70% of Product 'A' sales and 70%, 20% and 10% of Product 'B' sales. Prepare a sales budget for 2018.