You wish to lease a car. The net capitalized value is $35,000. The residual value is $15,000 in 5 years. The borrowing rate is 6%, compounded...

You wish to lease a car.  The net capitalized value is $35,000.  The residual value is $15,000 in 5 years.  The borrowing rate is 6%, compounded monthly.  Sales taxes amount to 15%.  What is your monthly lease rate if you sign a 5-year lease?

 please i need and answer and an explanation 

You negotiate a $10,000 line of credit with your bank.  They require you to pay 0.5% of the principal outstanding at the end of every month.  They will also charge interest at a rate of 9% per annum, compounded monthly.  You draw down $1,000 on the line on March 1st.  What will be the balance of your loan on June 1st?

 please i need and answer and an explanation