Sales of Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past $5$ years $($see table below$).$ Using exponential smoothing with a smoothing constant $(\backslash$alpha $)$ of $0\mathrm{.}30$ and a starting forecast of $415\mathrm{.}00,$ the following sales forecast has been developed: The MAD for a forecast developed using exponential smoothing with $\backslash$alpha $=0\mathrm{.}30$ is sales $($round your response to two decimal places$).$