Sarah wants to use a suitable forecasting method to forecast the sales of umbrellas at her she know that her sales are seasonal.

which technique of sales forecasting would you suggest to her?

a) moving averages methods

b) simple averages methods

c) weighted average method

d) revenue-cost method

D) revenue-cost method

Explanation:

This method is a type of forecasting method used by accountants to determine the revenue of a project. This method is used by accountants that regularly review the estimated costs and revenue of a project to ensure that it remains valid. This is because the conditions of  project can change very quickly. In this case, if Sarah knows that the sale of her umbrellas is seasonal, the best forecasting method for her to use is the revenue-cost method.