$.$ Prepare forecasts for June through September by using an adjusted exponential smoothing model with alphaequals$0\mathrm{.}6$ and betaequals$0\mathrm{.}5.$ Assume that the unadjusted forecast Upper F Subscript t for May was $1$ comma $900$ and the trend factor Upper T Subscript t for May was $900($enter your responses rounded to the nearest whole$$ number$).$