Is there a better method than treating the purchase as two separate transactions? One from the existing USD that are already there, and the second from the new cash to be transferred.
Enter a 'Buy - Shares Bought' transaction in the Investment account and under ' Use Cash For this transaction' - check From and select the account from which you want to use the cash.
Comments
To buy shares from another account -
Enter a 'Buy - Shares Bought' transaction in the Investment account and under ' Use Cash For this transaction' - check From and select the account from which you want to use the cash.
Hope it helps.
Regards
Shakir