Sales Factor The sales factor is a fraction, the numerator of which is the total sales of the corporation in this State during the income year, and the denominator of which is the total sales of the corporation everywhere during the income year. Receipts from any casual sale of property, receipts exempt from taxation, and the portion of receipts realized from the sale or maturity of securities or other obligations that represent a return of principal are excluded from both the numerator and the denominator of the sales factor. If a corporation is not taxable in another state on its apportionable income but is taxable in another state only because of nonapportionable income, all sales are treated as having been made in this State. Sales of tangible personal property are in this State if the property is received in this State by the purchaser. In the case of delivery of goods by common carrier or by other means of transportation, including transportation by the purchaser, the place at which the goods are ultimately received after all transportation has been completed is considered the place at which the goods are received by the purchaser. Direct delivery into this State by the taxpayer to a person or firm designated by a purchaser from within or without the State constitutes delivery to the purchaser in this State. Other sales are in this State if any of the following applies: The receipts are from real or tangible personal property located in this State. The receipts are from intangible property and are received from sources within this State. The receipts are from services and the income-producing activities are in this State. For more information, see G.S. 105-130.4(l).