1, Suppose Rp 100.000.000 is deposited in a saving account at bank XYZ on 1 January 2005. If interest is at 12% compounded semianually, how much is in the account on 31 December 2008 ?

2. Suppose you owe someone two sums of money: $1000, due in two years, and $600, due in six years. If you wish to pay of the total debt now by a single payment, how much you should pay, assuming an interest rate of 8% compounded annually?