Answer:
Fran's balance will be $866.73.
Explanation:
She has an existing balance of $752.69
Her current card charges her a transfer fee of 12.5%, added to her balance, for transferring her debt.
This becomes:

Total is :

The new card has an opening fee of $50, which is also added to her balance.
This becomes now =

She will also have to make an immediate minimum payment, which is 3.35% of her total balance.
This amount is =

Now balance in her account is =

So, Fran's balance will be $866.73.