Average Cost per Share = Total Amount Invested - Total Number of Shares Purchased = 5400/88.3 shares = 54.53 per share

Kelly invests $50 every month. The prices of her mutual fund shares have changed during the year. The table below shows her monthly purchases.

Amount Invested
550
$50
$50
$50

Price per Share
$10
$8
$6
$4

# of Shares Purchased
5.00
6.25
8.33
12.5

Questions:
a. How many shares did Kelly purchase over four months?

b. What was her average cost per share over this period?