6. (15 pts) Williams Company had depreciation in 2018 for tax purposes of $30,000 but for book purposes only $20,000. Also in 2018, Williams recognized a loss from a contingency amounting to $30,000 which the Internal Revenue Service does not allow until it actually occurs and did in 2019. Finally, Williams recognized $16,000 of interest income in its financial statements which the Internal Revenue Service will never regard as income. Taxes paid in 2018 were $90,000 with a tax rate of 21%. Determine: a. The financial accounting income for 2018 b. The tax expense for 2018