a)A savings account pays 10% interest per year. If you deposit 100 SEK today, what will the account balance be after 4 years?

b) You are going to invest 1000 USD for 1 year and 6 months. The bank has offered you the following alternatives for your investment: i. 4.5% interest per every 6 months, ii. 9% APR compounded monthly, and iii. 9% EAR. Calculate the ending account balance for each alternative and state which alternative you prefer.