Over the last 5 years, a client has bought 200 shares of XYZ Mutual Fund each year in a taxable account and has elected to have dividends and capital gains automatically reinvested in additional fund shares. The aggregate cost of the 1,000 purchased shares is $31,300. In addition, over these 5 years, the customer has bought 300 additional shares through dividend reinvestment at an aggregate cost of $11,300. At the end of the 5th year, the client's statement shows that the customer owns 1,300 shares at an aggregate market value of $49,600. If the client redeems 100 of the shares, the average cost basis per share is:_________.