Question 5 Time: 33 minutes Total: 20 marks Below are the processing costs of Darnell Products observed over the last 10 months: Month Units Produced Processing Cost 7.500 544,000 12 11.000 60,000 13 14.500 58,990 14 5.500 20,000 5 9.000 47,000 16 8,500 $2,000 17 3.500 25,000 IN 4,000 21.00 19 11,500 52.000 10 6,000 41.000 a- Use the high low method to determine the variable cost per unit and fixed cost per month Express your results in the form of a linear equation y = a + bx. (15 marks) b- Predict the total processing cost if 14,000 units are produced