A check$-$processing center uses ex poncatial smoothing to forecast the number of incoming checks cuch month. The number of checks received in June was $40$ million. While the forecast was $42$ million. A smoothing constant of $2$ is used!

a$)$ What is the forecast for July?

$6)1/$thecne reened $45$millonchekin$/$en$.$notrot

The forecast for August? c$)$

Why might this be an inappropriate forecasting method for this situation"