14.Using Dollar-Cost Averaging. Over a four-year period, Matt Ewing purchased shares in the Oakmark I Fund. Using the following information, answer the questions below. You may want to review the concept of dollar cost averaging in Chapter 14 before completing this problem.

YearInvestment AmountPrice per share

2010$3,000$40 per share

2011$3,000$45 per share

2012$3,000$42 per share

2013$3,000$50 per share

a.At the end of four years, what is the total amount invested?

b.At the end of four years, what is the total number of mutual fund shares purchased?

c.At the end of four years, what is the average cost for each mutual fund share?