QUESTION 20 IMA Shop Ltd produces three products. Cost, price, and volume data is shown below: Total fixed costs $2400 Tax rate 30% Chocolate ice-cream Milkshake Burger Normal volume 300 150 200 Price per unit $5 $7 Variable cost per unit $2 $3 When using units as the measure, what proportion of the sales mix de milkshakes represent? Round to the nearest whole per cent. $10 $4 31% Cannot be determined 23% 46%