Fallow Corporation is subject to tax only in State X. State income taxes are not deductible for State X income tax purposes. Fallow generated the following income and deductions:

Sales	$4,000,000
Cost of sales	2,800,000
State X income tax expense	200,000
Depreciation allowed for Federal tax purposes	400,000
Depreciation allowed for state tax purposes	250,000
Interest income on Federal obligations	40,000
Interest income on State X obligations	30,000
Expenses related to carrying State X obligations	2,000

a. The starting point in computing the State X income tax base is Federal taxable income, which is $.

b. If the interest on State X's obligations is exempt from State X's income tax, Fallow's State X taxable income is $.

c. If the interest on State X's obligations is subject to State X's income tax, Fallow's State X taxable income is $.