b$)$ Using a $3-$week weighted moving average, with weights of $0\mathrm{.}10,0\mathrm{.}30,$ and $0\mathrm{.}60,$ using $0\mathrm{.}60$ for the most recent week, the forecasted demand for the week of October $12=$ pints $($round your response to two decimal places and remember to use the weights in appropriate order $-$ the largest weight applies to most recent period and smallest weight applies to oldest period.$)$