please help answer the following questions

A store has the following demand figures for the last five years: With a two-year moving average, what is the demand forecast for year 4 ? (round to the nearest integer) A store has the following demand figures for the last five years: What is the exponential smoothing forecast for year 4 ? Use alpha =0.2 and a forecast for year 2 of 1400 . (round to nearest integer) Company A is providing technical support for smartphone users. It sees most of its demand during the evening hours of the day. The demand for its support services for the last three days was as follows: What is the seasonal index for morning? 0.875 0.5 1.25 1.625