Given the following data, develop a demand forecast for period $7$ using a $4-$period weighted moving average, with

weights of $0\mathrm{.}10,0\mathrm{.}15,0\mathrm{.}30,$ and $0\mathrm{.}45,$ where $0\mathrm{.}45$ is used for the most recent week.

The forecast for period $7$ using the $4-$period weighted moving average is $($enter your response rounded to two

decimal places$).$