An average American spends $900 on apparel purchases a year. Given the average tariff rate for clothing, how much could an American save on apparel purchases a year if trade was free (no tariffs)? How much would the US government lose in revenue?

Amanager of a store that sells and installs spas wants to prepare a forecast for january and june of next year. her forecasts are a combination of trend and seasonality. she uses the following equation to estimate the trend component of monthly demand: ft = 30+5t, where t = 1 in january of this year. seasonal relatives are 0.60 for january and 1.50 for june. what demands should she predict for january and june of next year