If the marginal benefit of one more unit of a public good is $500 for Sam and $300 for Alex, the social benefit of one more unit of a public good is: Group of answer choices $300 since the benefit will go to the person who values it least. $800 since the benefit of one more unit goes to both individuals. $400 since that is the average benefit. $500 since the benefit will go to the person who values it most.

Perry is a freshman, he estimates that the cost of tuition, books, room and board, transportation, and other incidentals will be $30000 this year. he expects these costs to rise about $1500 each year while he is in college. if it will take him 5 years to earn his bs, what is the present cost of his degree at an interest rate of 6%? if he earns and extra $10000 annually for 40 years, what is the present worth of his degree.?

You’ve decided to buy a new computer that costs $1,500. but best buy will let you take the computer home without making paying the full price immediately. rather, best buy will let you pay $500 now, and $500 at the end of each of the next two years. if the interest rate is 5%, how much do you need today to make sure you can make all the payments to best buy?

Which represents the solution set of 5(x+5) < 857o x< 12o x> 12x< 16x> 16