For many years the Honey Lake Summer Camp had used the number of campers per week to estimate weekly costs. The summer camp is open for ten weeks during the summer with a different number of campers each week. July is busiest with June and the end of August least busy. Costs from the last week of summer camp in 1998 are used to estimate costs for 1999 for pricing purposes. The following costs occurred during the last week of 1998 and the costs of each cost category are expected to be the same for 1999: Weekly Cost Supervisor's salary $ 400 Cook's salary 300 Camp counselor salaries (1 for each occupied cabin, each which hold 10 campers) (5 counselors $200/counselor) 1,000 Food (50 campers $100/camper) 5,000 Supplies (50 campers $20/camper) 1,000 Utilities (50 campers $10/camper) 500 Insurance (50 campers $20/camper) 1,000 Property tax ($10,000/10 weeks) 1,000 Weekly total $10,200 Cost per camper: $10,200/50 campers = $204/camper The Honey Lake Summer Camp expects 75 campers during the second week of July. a. What is the expected cost of that week using the average cost? b. What is the expected cost of that week using ABC?