If Dell computer is making a forecast for the next year, which of the following forecasts would most likely have the largest forecast error (as measured by the mean absolute percentage error, MAPE)?

A. Total number of computers (laptops and desktops) o be sold next year in US
B. Total number of laptops to be sold next year in US
C. Total number of desktop to be sold next year in US
D. hard drive and the fastest graphics card to be sold next year in US