Task: Question Answering
Input (English): Problem: john invests $ x at the semi - annual constant compounded rate of 2 percent and also does $ 20,000 at the quarterly constant compounded rate of 4 percent. if the interests are the same after 1 year, what is the value of x ? ?
Options: a. 40,402, b. 40404, c. 40000, d. 50000, e. 50005
Output (English): a