Given the tax rates as shown, what is the average tax rate for a firm with taxable income of OMR 230,000? Taxable income Tax Rate $0 - 50,000 15% 50,001 - 75,000 25% 75,001 - 100,000 34% 100,001 - 335,000 39% Select one: O a 39.00 percent O b. 33.92 percent OC 31.17 percent O d. 34.07 percent O e. 31.02 percent