Installment Payments. Each eligible licensee of frequency Block F may pay the remaining 80 percent of the net auction price for the license in installment payments pursuant to § 1.2110(g) of this chapter and under the following terms:

(a) For an eligible licensee with gross revenues exceeding $75 million (calculated in accordance with § 1.2110(b) of this chapter and, when applicable, § 24.709(b)) in each of the two preceding years (calculated in accordance with § 1.2110(n) of this chapter), interest shall be imposed based on the rate for ten-year U.S. Treasury obligations applicable on the date the license is granted, plus 3.5 percent; payments shall include both principal and interest amortized over the term of the license;

(b) For an eligible licensee with gross revenues not exceeding $75 million (calculated in accordance with § 1.2110(b) of this chapter and, when applicable, § 24.709(b)) in each of the two preceding years (calculated in accordance with § 1.2110(n) of this chapter), interest shall be imposed based on the rate for ten-year U.S. Treasury obligations applicable on the date the license is granted, plus 2.5 percent; payments shall include interest only for the first year and payments of interest and principal amortized over the remaining nine years of the license term; or

(c) For an eligible licensee that qualifies as a small business or as a consortium of small businesses, interest shall be imposed based on the rate for ten-year U.S. Treasury obligations applicable on the date the license is granted; payments shall include interest only for the first two years and payments of interest and principal amortized over the remaining eight years of the license term.