A homebuyer places a down payment of \(₹\ 15000\) into an interest-bearing housing deposit account that earns \(4\%\) interest annually, compounded yearly. Assuming no additional deposits or withdrawals are made, calculate the total account balance after \(2\) years and the total interest earned.
Total account balance (amount) after \(2\) years \(=\)
Total interest earned after \(2\) years \(=\)
(Note: Round off the answer to the nearest whole number).