1) An investor placed a total of $14,000 in two simple interest accounts. One account earned a simple interest rate of 6.4% and the other earned a simple interest rate of 3.7%. The two accounts earned a total of $788. How much was invested in each account?
a) $5206.73 at 6.4%, $8.793.27 at 3.7%
b) $5050.69 at 6.4%, $8949.31 at 3.7%
c) $4000 at 6.4%, $10,000 at 3.7%
d) $10,000 at 6.4%, $4000 at 3.7%