MCL 206.191 — Sales not exceeding $100,000; taxable income

(1) If the taxpayer's only activities within this state consist of sales and do not include owning or renting real estate or tangible personal property and whose dollar volume of gross sales made during the tax year within the state is not in excess of $100,000.00 the taxpayer may elect for that year:
(a) To report and pay a tax on net income arrived at by multiplying total sales in this state for the taxable year by the ratio of net income from operations to total sales as reported on his federal income tax return for the same taxable year; or
(b) Report and pay a tax of 2/5 of 1% on total sales in this state, whichever method reflects the lesser tax liability.
(2) The election is not available for any taxable year for which a consolidated return is required.