Task: Translation
Input (English): English sentence: This is due mostly to buying at retail price and quantity which makes it difficult for dropshippers to sell without a markup.
Output (Igbo): Nke a bụ n'ihi ukwuu n'ime ka ịzụ na retail price na nke ukwu nke na-eme ka o siere dropshippers na-ere na-enweghị a nkè.