a$)$ Fill the tables above.

b$)$ Which method of forecasting is being used under Method $1?$ How are you able to say?

c$)$ Why are the forecasted values missing for Months $2$ and $3$ under Method $1?$

d$)$ If under Forecasting Method $2,$ forecast for month $3$ onwards are calculated using the logic $F_3=0\mathrm{.}7Y_2+0\mathrm{.}3F_2$;$,F_4=0\mathrm{.}7Y_3+0\mathrm{.}3F_3$;$,$ and so on for all subsequent time periods, Which forecasting method is being used and what is the parameter value?

e$)$ What is the forecast for Month $13$ under both the Methods $1$ and $2?$

f$)$ Calculate all three types of Forecasting Accuracy Measures for both the methods,

g$)$ Which forecasting model among the two above would you recommend? And why?