Which to Marry?

A guy decides it’s time to get marry. He gives each of his current
girlfriends $1,000. One spends $200 on clothes, puts $800 in the bank.
Second spends $800 on clothes, puts $200 in the bank. Third puts the whole
$1,000 in the bank.

Q: Which one did he marry?

A: The one with the big boobs.