Listed below are costs of providing an airline service. Classify each cost as (a) either variable or fixed, and (b) either direct or indirect a. Advertising
b. Beverages and snacks
c. Regional vice-president salary
d. Depreciation on ground equipment
e. Fuel and oil used in planes
f. Flight attendant salaries
g. Pilot salaries
h. Maintenance worker wages
i. Customer service salaries

Most angel investors expect a return on investment of question options: 20% to 25% over 5 years. 15% to 20% over 5 years. 75% over 10 years. 100% over 5 years.

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.

The school cafeteria can make pizza for approximately $0.30 a slice. the cost of kitchen use and cafeteria staff runs about $200 per day. the pizza den nearby will deliver whole pizzas for $9.00 each. the cafeteria staff cuts the pizza into eight slices and serves them in the usual cafeteria line. with no cooking duties, the staff can be reduced by half, for a fixed cost of $75 per day. should the school cafeteria make or buy its pizzas?