<u>Given:</u>
Loan amount = $250000
Interest rate = 5.5%
Interest payment = $2042.71
<u>To find:</u>
Total amount of interest
<u>Solution:</u>
The total number of months in 15 years = 
Total monthly payments will be 
So, the total pay-backs will be $3,67,687.8
Total interest paid will be as follows,

On plugging-in the values in the above formula we get,

Therefore, the total amount of interest that the borrower will pay over the course of the loan is $1,17,687.80.
Toys r us, the toy shop has always stood out in its advertising campaigns, using all conventional social networks, and paying to do the most original ads, spaces like Instagram, Twitter and Facebook are some of the social networking they would be using to show their potential customers the progress of the new store, but that does not end there, they will also invest big amounts of money in screens "Etch a Sketch" in bus stops, and vans promoting their new opening and inviting everyone to the big event.
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Option 'C' is correct
<u>Explanation:</u>
Present value of an ordinary annuity of $1
The present value of an annuity is the current value of future payments from an annuity, given a specified rate of return or discount rate.

The future estimation of cash is determined by utilizing a rebate rate. The markdown rate alludes to a financing cost or an accepted pace of profit for different speculations. The littlest markdown rate utilized in these figurings is the hazard free pace of return. U.S. Treasury bonds are commonly viewed as the nearest thing to a hazard-free venture, so their arrival is regularly utilized for this reason.