A 1,000 par value 3-year bond with annual coupons of 50 for the first year, 70 for the second year and 90 for the third year is bought to yield a force of interest δt=2t−12(t2−t+1)for t≥0. Calculate the price of this bond.

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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?

You are a newspaper publisher. you are in the middle of a one-year rental contract for your factory that requires you to pay $500,000 per month, and you have contractual labor obligations of $1 million per month that you can't get out of. you also have a marginal printing cost of $.25 per paper as well as a marginal delivery cost of $.10 per paper. if sales fall by 20 percent from 1 million papers per month to 800,000 papers per month, what happens to the afc per paper?