Thakane Mokoena hospital's records show that the cost of carrying out health checks in the last five accounting periods have been as follows: Number of patients seen Total Period cost R 1 650 2 940 3 1 260 650 4 990 980 5 LO 1 150 360 17 125 17 800 18 17 18 Using the high-low method, the variable cost per patient would be: Select one: A. R14.80 B. R26.35 C. R2.50 D. R10.00