Upon Benichu's open, he established a store law and employed Rieki-sanbun-shugi (a financial system dividing profits to three categories) to allot the 50% of the net profit to his family, 30% to reserve fund of the main store and 20% to employee's salary, and it was called 'Mitsuwarigin.'
「紅忠」は開店と同時に店法を定め、利益三分主義をとり、店の純利益は本家納め、本店積立金と店員配当に分かち、五、三、二の配分率で「三つ割銀」といわれた。