The first widely used credit card was introduced in:
a. 1958
b. 2009
c. 1935
d. 2006

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?

Miami incorporated estimates that its retained earnings break point (bpre) is $21 million, and its wacc is 13.40 percent if common equity comes from retained earnings. however, if the company issues new stock to raise new common equity, it estimates that its wacc will rise to 13.88 percent. the company is considering the following investment projects: project size irr a $4 million 14.00% b 5 million 15.10 c 4 million 16.20 d 6 million 14.20 e 1 million 13.42 f 6 million 13.75 what is the firm's optimal capital budget?

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500