A potential home buyer is wondering about her credit card accounts and the effect that they may have on her credit score which will be evaluated when she applies for a mortgage loan. At present, she has three accounts with credit limits and balances outstanding as follows: She would like to transfer the balance in account \#2 to account \#3 in order to save the membership fee and because the interest charges for account \#2 are higher than the others. If she does this account \#2 would be closed. Required: a. How much credit capacity is she currently using? b. If she cancels account number 2 and transfers the balance to account number 3 , what will be the capacity used now? c. After the transfer, how much would an increase in the total credit limit have to be in account number 3 to restore the total capacity used in all accounts prior to the transfer