that amount: (i) Tier I–A Registrants that have gross annual sales of $5,000,000,000 or more in the fiscal year immediately preceding the fiscal year in which the annual fee will be paid, shall be responsible, collectively, for 10.7 percent. (ii) Tier I–B Registrants that have gross annual sales of at least $4,000,000,000 per annum but less than $5,000,000,000 in the fiscal year immediately preceding the fiscal year in which the annual fee will be paid, shall be responsible, collectively, for 4.1 percent. (iii) Tier II–A Registrants that have gross annual sales of at least $3,000,000,000 per annum but less than $4,000,000,000 in the fiscal year immediately preceding the fiscal year in which the annual fee will be paid, shall be responsible, collectively, for 3.5 percent. (iv) Tier II–B Registrants that have gross annual sales of at least $2,000,000,000 per annum but less than $3,000,000,000 in the fiscal year immediately preceding the fiscal year in which the annual fee will be paid, shall be responsible, collectively, for 2.9 percent. (v) Tier III–A Registrants that have gross annual sales of at least $1,000,000,000 per annum but less than $2,000,000,000 in the fiscal year immediately preceding the fiscal year in which the annual fee will be paid, shall be responsible, collectively, for 7.3 percent. (vi) Tier III–B Registrants that have gross annual sales of at least $500,000,000 per annum but less than $1,000,000,000 in the fiscal year immediately preceding the fiscal year in which the annual fee will be paid, shall be responsible, collectively, for 13.4 percent. (vii) Tier IV–A Registrants that have gross annual sales of at least $200,000,000 per annum but less than $500,000,000 in the fiscal year immediately preceding the fiscal year in which the annual fee will be paid, shall be responsible, collectively, for 15.8 percent. (viii) Tier IV–B Registrants that have gross annual sales of at least $100,000,000 per annum but less than $200,000,000 in the fiscal year immediately preceding the fiscal year in which