1. (11 minutes) Below is the balance sheet for the Megalith National Bank (B stands for billions of dollars; assume no assets or liabilities except for those listed): Assets Liabilities Reserves $ 21B Checking Deposits $175B Bonds $ 25B Loans ? Bank Capital $75B a. (2 minutes) Find the value of Megalith's loans outstanding. b. (5 minutes) If the bank is holding 3% of checking deposits as excess reserves, what is the required reserve ratio? Show how you arrived at your answer. c. (4 minutes) Megalith made $5B in net profit after taxes in 2018. Find the bank's ROA and ROE for last year. (Express your answers as a percentage (e.g. 3.2%), not a decimal. Round your answers to one decimal place as necessary.)