Smith borrows 21,500 to purchase a new car. The car dealer finances the purchase with a loan that will require level monthly payments at the end of each month for 4 years, starting at the end of the month in which the car is purchased (assume the car is purchased on the 1st of the month). The loan has 0% interst rate for the first year followed by 7% annual nominal interest rate, compounded monthly, for the following three years. Find the outstanding balance on the loan at the end of the first year.