Section 1413.108 - Payment calculation(a) Subject to the availability of DWQP funds, the payment to an eligible producer will be the result of adding (adjusted for the producer's share of the crop): (1) The lesser of: (i) The result of multiplying the number of acres certified by the producer as planted to durum wheat on which an eligible fungicide was applied, during the flowering stage, times the per acre national fungicide acquisition payment rate as set by the Deputy Administrator; or(ii) Fifty percent of the producer's actual cost of purchasing eligible fungicide for acres certified as planted to durum wheat and treated for the applicable crop year in a manner that would otherwise generate a payment under paragraph (a)(1)(i) of this section; plus(2) The result of multiplying the number of acres certified as planted to durum wheat on which an eligible fungicide was applied during the flowering stage, times the State application per-acre payment rate set by the State committee, with such application payment not to exceed 50 percent of the actual application cost certified to by the producer.(b) The national fungicide acquisition payment rate set by the Deputy Administrator will be based on 50 percent of the national average cost of eligible fungicide (only including the cost of the chemical itself), applied to one acre of durum wheat for the applicable crop year.(c) The State application payment rate set by the State committee will be based on 50 percent of the State average cost of applying an eligible fungicide to one acre of durum wheat for the applicable crop year.