Babar Inc. manufactures electronic parts. Its managers are analyzing its monthly maintenance costs to determine the best way to budget these costs in the future. They have collected the following data:
January: $8,000
February: $9,500
March: $7,200
What is the average monthly maintenance cost for Babar Inc.?
a) $8,233.33
b) $8,500.00
c) $8,566.67
d) $8,700.00