Business forecasts are used to predict sales, profits, costs, prices, interest rates, and other variables. In most organisations, the responsibility for preparing the demand forecasts lies with the marketing or sales department, rather than operations. Forecasts are an estimate of demand until actual demand becomes known. Forecasts of demand, therefore, impact upon several areas of operations. Discuss the impact of the sales forecast on:

$3$

$2\mathrm{.}2\mathrm{.}1$ Human Resources $(4)$

$2\mathrm{.}2\mathrm{.}2$ Capacity $(3)$

$2\mathrm{.}2\mathrm{.}3$ Supply Chain $(3)$