Interest. A high school student was able to save $$5000$ by working a part$-$time job every summer. He invested half the money in a money market account and half the money in a stock that paid three times as much interest as the money market account. After a year he earned $$150$ in interest. What were the interest rates of the money market account and the stock?

Enter the exact answers as percentages.

The interest rate in the Money Market Account was $\%$

The interest rate in the Stock was $\%.$