A$.$ You need to save NOK $100,000,$ and you estimate that you can save NOK

$12,000$ annually, with the first payment in one year from now. The interest

rate is $6\%$ p$.$a$.$ The last savings amount can be lower than NOK $12,000$ if it

is necessary to achieve NOK $100,000.$ How many years do you have to

save, and what will be the last deposit?

B$.$ What is the effective annual interest rate if the nominal interest rate is $10\%,$

and the interest rate is calculated and credited:

annual

biannual

n Ciarterlu