1) A young couple starts to save money for their first apartment. They will save 500 monthly for three years. In the beginning of January in 2016 they made their first deposit. The last deposit is made in the end of December 2018. The couple has an account which has 4 % interest rate. No source tax. How much could their first apartment cost if they need to save 10 % of the price of the apartment?

2) Helen is an entrepreneur and she has taken a loan of 38 000 to her company. The interest rate of the loan is 7.5 % and she will pay it back with annual equal payments that include the interest. Calculate the amount of each payment if she will pay the loan back in 4 years.