80/20 Rule Suggests That

80/20 rule suggests that

A) 80 percent of a firm's inventory should be readily available and 20 percent should be reserved for emergency demand.
B) 80 percent of a firm's first-time users will become brand loyal and 20 percent will use the product only once and then abandon it.
C) 80 percent of a firm's sales are obtained from 20 percent of its customers.
D) 80 percent of a firm's marketing program expenses are tax deductible and 20 percent are not.
E) 80 percent of a firm's products will be sold to ultimate consumers and 20 percent to organizational buyers.