Solomon Camps, Incorporated leases the land on which it builds camp sites. Solomon is considering opening a new site on land that requires $$3,100$ of rental payment per month. The variable cost of providing service is expected to be $$9$ per camper. The following chart shows the number of campers Solomon expects for the first year of operation of the new site:

$\backslash$table$[[\backslash$table$[[$January$],[350]],\backslash$table$[[$February$],[360]],\backslash$table$[[$March$],[370]],\backslash$table$[[$April$],[390]],\backslash$table$[[$May$],[67$