ECON please help :(

What is the present value of the following cash flow stream at a rate of 12.0%? years: 0 1 2 3 4| | | | |cfs: $0 $1,500 $3,000 $4,500 $6,000a. $9,699b. $10,210c. $10,747d. $11,284e. $11,849

Tara and her parents want to save at least $40,000 for college in 8 years. which statement describes the most effective savings plan for tara and her parents to meet their goal? tara and her parents should make deposits of $300 every month into a college savings account. tara and her parents should make deposits of $450 every month into a college savings account. tara and her parents should make deposits of $3,000 every year into a college savings account. tara and her parents should make deposits of $4,000 every year into a college savings account

The mccolls have made an offer on a new home. the home is new construction and scheduled to be completed by the end of the year. they provide a purchase deposit--a check in the amount of $40,000--to their agent, suzette. suzette, at the broker's direction, deposits the earnest money in the broker's trust fund account within two business days of receipt of the funds. did suzette follow the proper procedures? a. no, the check should not have been cashed. if a check is used as an earnest money deposit, it is to be held until acceptance of the offer. the seller must also be informed the buyer's check is being held and not negotiated.b. yes, suzette deposited the earnest money in the broker's trust fund account as directed. she also deposited the check within three business days of receipt. unless there were written instructions to hold the check until acceptance of the offer, the check may be cashed.c. no, suzette needed to deposit the earnest money in the broker's trust fund account within two days of receipt, not necessarily two business days.d. both a and c