Kiran invested $1,500 in an account paying an interest rate of 8\tfrac{1}{4}8 4 1 ​ % compounded continuously. Isaac invested $1,500 in an account paying an interest rate of 7\tfrac{5}{8}7 8 5 ​ % compounded daily. After 6 years, how much more money would Kiran have in his account than Isaac, to the nearest dollar?