2. For the accounting year ending 31" December 2021, Bank Bder earns a profit of $42,500 on the balances in equity investment accounts. The profit sharing ratio between Mudharabah deposit account holders and the bank is 7:3 respectively. The following details the deposit types, average balance, and the weights used for Mudharabah deposit account of the bank in 2020. (8 points) Required (ignore transfers to profit equalization reserves and investment risk reserve) Show your calculations and write your final answers in the tables a. Calculate the weighted average balances (WAB) for the type deposits shown in the table. b. What are the share of each depositors' type? c. What is the rate of return of each depositor? Deposit types Extract from accounting records of Bank Bader Average Weights Balance in Year 2020 $20,000 0.50 6 months & S 9 moths > 9 months & S 12 moths > 12 months 45,000 1.00 55,000 1.15