What is the correct answer

The following table shows the sales data of a particular model of a DVD player. If the forecast sales for May is 37.87 , calculate the sales forecast for July using the simple exponential smoothing (SES) model with a smoothing constant of o.40. a. The sales forecast for July is more than 35 but less than or equal to 40 . b. The sales forecast for July is more than 40 but less than or equal to 45 . c. The sales forecast for July is more than 45 but less than or equal to 50 . d. The sales forecast for July is more than 50 but less than or equal to 55