Campbell Corporation paid one of its sales representatives $$7,500$ during the month of March. The rep is paid a base salary plus $$14$ per unit of product sold. During March, the rep sold $190$ units.

Required

Calculate the total monthly cost of the sales representative's salary for each of the following months:

$\backslash$table$[[$Month$,$April,May,June,July$],[$Number of units,,$230,,140,,240,,150],[$Total variable cost,,,,,,,,$],[$Total fixed cost,,,,,,,,$],[$Total salary cost,$$,0,$$$,0,$$$,0,$$$,0]]$