Based on the given information below

Month...Sales. Forecast

$1152$

$2.$

$143$

$3$

$139$

$4.$

$150$

$144\mathrm{.}67$

$5.$

$141$

$144\mathrm{.}00$

$6.$

$148$

$143\mathrm{.}33$

What is the Average Forecast Error?

$7\mathrm{.}00$

$-7\mathrm{.}00$

$-2\mathrm{.}33$

$2\mathrm{.}33$

None of the above