Kindly answer 1 and 2

1. You are 20 years old now. How much would you need to deposit every year at the beginning of year in an account paying 6% return annually to accumulate OMR 100,000 when you become 60-year-old?
2. You borrow OMR 6,000 and repay in 10 equal annual installments. All installments are paid at the end of each year. Calculate the amount of installment if interest rate is 6%.