Using a weighted moving average with $2$ time periods, forecast the income for August. Use $2$ for the most recent period and $1$ for the next most recent. What is the forecast amount for August?

Consulting income at Kate Walsh Associates for the period of January $$ July has been as follows:

MONTH

INCOME $(1000$s$)$

Weighted Moving Average

Error

Exponential

Smoothing

Alpha $\mathrm{.}3$

Error

January

$70\mathrm{.}0$

$75\mathrm{.}0$

February

$68\mathrm{.}5$

March

$64\mathrm{.}8$

April

$76\mathrm{.}2$

May

$71\mathrm{.}3$

June

$72\mathrm{.}8$

July

$78\mathrm{.}8$

August

A$.$

$75\mathrm{.}8$

B$.$

$75\mathrm{.}2$

C$.$

$76\mathrm{.}8$

D$.$

$115\mathrm{.}2$