A hospital's record show that the cost of carrying out health checks in the seven accounting period have been shown as follows: (10 Marks) Period Number of patients seen Total cost (KES) 1 650 17,125 2 940 17,800 3 1,260 18,360 4 990 17,980 5 1,150 18,360 6 1,200 18,400 7 960 17,900 Require: Using High low method Estimated the variable and fixed cost of carrying out health checks in the hospital. (6 Marks) ii. Formulate the total cost function of the hospital. (2 Marks) iii. Estimate cost of carrying out health checks on 850 patients in period 8. (3 Marks)