$(2)$ A five$-$month moving average. $($Round your answer to $2$ decimal places.$)$

Moving average

$21\mathrm{.}60$ thousands

$(3)$ A weighted average using $0\mathrm{.}65$ for August, $0\mathrm{.}15$ for July, and $0\mathrm{.}20$ for June. $($Round your answer to $2$ decimal p

Weighted average

thousands

$(4)$ Exponential smoothing with a smoothing constant equal to $0\mathrm{.}30,$ assuming a March forecast of $18(000).($Round forecast values and final answer to $2$ decimal places.$)$

Forecast

$18\mathrm{.}30$

thousands

$(5)$ A linear trend equation. $($Round your intermediate calculations and final answer to $2$ decimal places.$)$

Yt

thousands