Based on the given information below

Month...Sales

Forecast

$152$

$2..........143$

$3...........139$

$4$dotsdotsdots.$\mathrm{.}150$

$144\mathrm{.}67$

$141$

$144\mathrm{.}00$

$6$

$148$

$143\mathrm{.}33$

Find Cummulative Forecast Error $($CFE$)$

$7\mathrm{.}00$

$-7\mathrm{.}00$

$3\mathrm{.}34$

$-3\mathrm{.}34$

None of the above