(12) Tommo Ltd uses regression analysis to forecast future monthly costs. Using historic information for the last 12 months the management accountant has forecast that average monthly fixed costs are $2000 and average variable costs are $50 per unit. Which of the following formulae should be used to predict the total monthly costs for Tommo Ltd where Q is the quantity of units? A TC = 50 + 2000Q B TC = 24000 + 50Q C TC = 2000 + 50Q D TC = 600 + 200 Q