Consider the actual and forecast values contained in the table.

Actual Forecast Actual Forecast

$1010\mathrm{.}82624\mathrm{.}5$

$1313\mathrm{.}62827\mathrm{.}2$

$1716\mathrm{.}32929\mathrm{.}9$

$1919,3232\mathrm{.}6$

$2221\mathrm{.}73535\mathrm{.}3$

What is the MAD of the forecast?

$0\mathrm{.}70$

$0\mathrm{.}60$

$0\mathrm{.}65$

$0\mathrm{.}75$