You are depositing $4,500 today at an annual interest rate of 7.2 percent. How much additional interest will you earn if you leave the money invested for 45 years instead of 40 years?

Additional Interest  earned in 45 years is $30185.14

Explanation:

Given-

Principal, P = $4500

Rate, r = 7.2%

Time, = 40 years

          = 45 years

Interest = ?

We know,

To calculate the interest,

Interest after 45 years:

Interest-

Additional Interest  earned in 45 years = $98296.39 - $68111.25

                                                                 = $30185.14

Therefore, additional Interest  earned in 45 years is $30185.14

answer; ///i believe the answer is (d) procedures to control the quailty of your product;

the answer would be voluntary exchange -

"the act of buyers and sellers freely and willingly engaging in market transactions. moreover, transactions are made in such a way that both the buyer and the seller are better off after the exchange than before it occurred."

hope this : )

-shy