When Forecasting Demand

When forecasting demand

A) industry comparisons are mandatory.
B) the company forecasts the number and type of people who will be available for hiring from the labour market at large.
C) employees are interviewed and asked how long they think they will remain with the company.
D) employees sign a contract stating the number of years they will stay.
E) a company must assess trends in past HR usage, future organizational plans, and general economic trends.