Please help me with the following questions and explain each answer.

$1.$ What is the period $13$ forecast using a $3-$period simple moving average $($rounded up to the nearest whole number$)?$

$2.$ What is the period $13$ forecast using a $4-$period simple moving average $($rounded up to the nearest whole number$)?$

$3.$ What is the period $13$ forecast using a weighted moving average $($rounded up to the nearest whole number$)?$

w$1=\mathrm{.}4,$ w$2=\mathrm{.}3,$ w$3=\mathrm{.}2,$ w$4=\mathrm{.}1$Demand Over Time