6. The table below shows the Average Fixed Cost (AFC) and Average Cost (AC) for a company XYZ. 9 6.67 50.00 a. From the table above, calculate i. The average variable cost for the 7\" unit of output. ii. The marginal cost when output increase from 9 units to 10 units. iii. The total cost for the 8th unit of output. b. If the output sells for RMBODO per unit, calculate the profit earned by this firm if it sells 9 units of