Bank ABC has 524 million OMR Interest Revenue and 200 million OMR Interest Expense. The bank has 2500 Total Assets, 5 EM, and a 20 % return on equity ROE. The bank has a 50 million Loan loss provision, 150 million non-interest expenses, and 75 million non-Interest revenues. What is the tax rate for the bank?

Select one:
a. All the given answers in this question are wrong
b. 0.4975
c. 0.6475
d. 0.5975