William and Sarah and file married/separate and live together. They live in California. William ear is a salary of $100,000 and Sarah earns a salary of $40,000. William has itemized deductions of $15.000 and Sarah has itemized deductions of $4000. They want to maximize their after-tax income. What is their taxable income? Select one: O a. Sarah reports TI of $66,000 and William reports TI of $55,000. O b. Sarah reports TI of $57,600 and William reports TI of $57,600 c. Sarah reports taxable income of $36,000 and William reports TI of $85,000. O d. Sarah reports TI of $27,600 and William reports TI of $87,600