You've recorded the following prices and dividend payments for a stock:

Month Stock price Dividend

$1159\mathrm{.}38$

$2159\mathrm{.}541\mathrm{.}32$

$3157\mathrm{.}96$

$4162\mathrm{.}57$

$5162\mathrm{.}761\mathrm{.}32$

Attempt $1/6$ for $5$ pts$.$

Part $1$

What was the arithmetic average monthly return?

$5+$ decimals