Global Publishers has collected the following data for recent months:

Month	Issues published	Total cost
March	20,500	$21,190
April	21,800	22,464
May	17,750	18,495
June	21,200	21,876

Required:

a. Using the high-low method, find variable cost per unit, total fixed costs, and complete the formula to calculate the total cost. Round the variable cost to two decimal places.

Variable cost per unit		per unit
Total fixed costs	$

Total cost

=

$

+

($

x

number of issues published)

b. What is the estimated cost for a month in which 19,000 issues are published? $