Net Asset Values at the End of Each Month for the No-Load

Essay

Net asset values at the end of each month for the no-load Currier & Ives fund are shown below. Holly Tannenbaum invests $500 in the fund each month through an automatic investment plan. Compute:
a. the number of shares purchased each month
b. the number of shares she owns at the end of December
c. the average price of the shares over the period
d. the average price per share paid by Holly
$\begin{array}{|l|l|l|}\hline \text { Month } & \begin{array}{l}\text { NAV end of } \\\text { month }\end{array} & \begin{array}{l}\text { Shares } \\\text { purchased }\end{array} \\\hline \text { July } & 12.85 & \\\hline \text { August } & 11.08 & \\\hline \text { September } & 9.99 & \\\hline \text { October } & 9.85 & \\\hline \text { November } & 13.55 & \\\hline \text { December } & 12.21 & \\\hline & & \\\hline\end{array}$