a$)$ Using exponential smoothing and given $,$ the forecast for the month of July $=40\mathrm{.}3$ million cheques received. $($Round your response to one decimal place.$)$ your response to one decimal place.$)$

c$)$ Exponential smoothing may not be an appropriate method to use for the cheque$-$processing centre because

A$.$ the cheque$-$processing centre should observe a cyclical trend in its processing requirements.

B$.$ the cheque$-$processing centre should observe seasonality in its processing requirements.

C$.$ the cheque$-$processing centre's forecast is very hard to make as its processing requirements should have a very high variability.

D$.$ the cheque$-$processing centre should observe an increasing trend in its processing requirements.