You have student loan payments of $500 due six months ago, $500 due today, $600 due six months from today and $1000 due in one year from today. If interest is 7.25% on any portion of the loan that is past due and 5% on any amounts due in the future, what would you owe if you paid off your student loanin full:

a) Today:

b) Six months from today:

c) One year from today: