A$.$ A loan has the following cash flow:

B$.$

The loan has a nominal and effective interest rate of $10\%.$ Show how the

payments related to the loan can be split into an interest and installment

component for each of the three years.

C$.$ Now suppose that the loan in A$)$ is taken out as an annuity loan over $3$

years at $10\%$ annual interest. Find the annual instalment amount, and split

the instalment amount into interest and installments for each of the $3$

years.

D$.$ An electrical store offers you a stereo system for cash NOK $17,500.$ An

alternative is to buy the facility on installment payments, and you then pay

NOK $1,622$ in monthly instalments $($in advance$)$ for one year. What

effective interest rate per year does this financing offer entail?

E$.1$ year ago, you took out a $4-$year annuity loan of NOK $500,000$ with a fixed

interest rate of $10\%$ over the life of the loan. Recently, the borrowing rate

on similar loans has fallen to $6\%,$ and the lending market expects this

interest rate to remain for the remainder of the loan's term. You now want

to exchange the loan for a loan with $6\%$ interest. How much do you have to

expect to pay to be released from the loan?

F$.$ A company sells exclusively on credit, and in order to finance trade

receivables, the company has an overdraft, and the company's bank has

provided the following terms for the overdraft loan:

G$.$

Suppose that on average $50\%$ of the granted credit has been used. What

will be the effective annual interest rate on the overdraft?