Given the following demand data,

a$.$ Compute a weighted average forecast using a weight of $0\mathrm{.}5$ for the most recent period, $0\mathrm{.}2$ for the next most recent, $0\mathrm{.}2$ for the

next, and $0\mathrm{.}1$ for the next.

Note: Round all your answers to two decimal points.

b$.$ If the actual demand for period $6$ is $41,$ forecast demand for period $7$ using the same weights as in part a$.$

Please help with this homework i am very confused!