In this problem, we analyze the returns of the investment portfolios of two friends: Eli and John. Each of the two friends starts with an initial investment of $100,000. Eli invested her entire account in stocks of A (A). John invested 50% of his account in A, 30% in B (B), and the remainder in C (C). The information provided above applies to all questions in this problem.

Suppose at the end of one year, the investment in A went up by 20%, the investment in B went up by 10%, and the investment in C went down by 10%.

2a. Calculate the realized return of Eli's portfolio (in %).

2b. Calculate the realized return of John's portfolio (in %).