Can you explain this to me?

Honey Lake Summer Camp 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 Year 1 are used to estimate costs for Year 2 for pricing purposes. The following costs occurred during the last week of Year 1 and the costs of each cost category are expected to be the same for Year 2: Weekly Cost Supervisor's salary $ 400 Cook's salary 300 Camp counselor salaries (1 for each occupied cabin, each of which hold 10 campers) (5 counselors >