Suppose Jack starts 1st period with 0 wealth but earns 200, his second period income is 700 and his last and 3rd period income is 300. He does not care about a 4th round. The real interest rate is 0...

Suppose Jack starts 1st period with 0 wealth but earns 200, his second period income is 700 and his last and 3rd period income is 300. He does not care about a 4th round. The real interest rate is 0 but he can not borrow . He wants to smooth consumption perfectly across the 3 periods. His consumption and saving in the first period are?