Revenue. A store selling small portable radios knows from past experience that the number of radios it can sell each week, x, is related to the price per radio, p, by the equation x = 1300 − 100 p x=1300-100p. Write an expression for the weekly revenue that involves only the variables R and p.

Luis and rosa, citizens of costa rica, moved to the united states in year 1 where they both lived and worked. in year 3, they provided the total support for their four young children (all under the age of 10). two children lived with luis and rosa in the u.s., one child lived with his aunt in mexico, and one child lived with her grandmother in costa rica. none of the children earned any income. all of the children were citizens of costa rica. the child in mexico was a resident of mexico, and the child in costa rica was a resident of costa rica. how many total exemptions (personal exemptions plus exemptions for dependents) may luis and rosa claim on their year 3 joint income tax return? a. 6 b. 5 c. 4 d. 2

Abakery wants to determine how many trays of doughnuts it should prepare each day. demand is normal with a mean of 5 trays and standard deviation of 1 tray. if the owner wants a service level of at least 95%, how many trays should he prepare (rounded to the nearest whole tray)? assume doughnuts have no salvage value after the day is complete.

Neveready flashlights inc. needs $317,000 to take a cash discount of 3/15, net 70. a banker will loan the money for 55 days at an interest cost of $13,200. a. what is the effective rate on the bank loan? (use a 360-day year. do not round intermediate calculations. input your answer as a percent rounded to 2 decimal places.) b. how much would it cost (in percentage terms) if the firm did not take the cash discount but paid the bill in 70 days instead of 15 days? (use a 360-day year. do not round intermediate calculations. input your answer as a percent rounded to 2 decimal places.) c. should the firm borrow the money to take the discount? no yes d. if the banker requires a 20 percent compensating balance, how much must the firm borrow to end up with the $317,000? e-1. what would be the effective interest rate in part d if the interest charge for 55 days were $7,200?