Select the correct answer.
George, the market analyst of his company, will be calculating the company's sales forecast for the next month (May). He has decided to use the moving averages method of sales forecasting to complete his task. The sales for the last four months are $30,000 (April). $35,000 (March), $25,000 (February), and $30,000 (January). If George uses the formula to calculate moving averages, what sales forecast figure will he arrive at?

a.25000
b.30000
c.20000
d.35000​