Assume that Commonwealth Edison Company deposited $250 million in an escrow account with Northern Trust Company at the beginning of 2017 as a commitment toward a power plant to be completed December 31, 2020. How much will the company have on deposit at the end of 4 years if interest is 10%, compounded semiannually

You have just made your first $5,500 contribution to your retirement account. assume you earn a return of 10 percent per year and make no additional contributions. a. what will your account be worth when you retire in 45 years? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. what if you wait 10 years before contributing?