(銷貨收入$300,000-銷貨折讓$2,000-銷貨退回$1,000)*1%=年底提列呆帳$2,970
11.銷貨收入$300,000,銷貨運費$3,000,銷貨折讓$2,000,銷貨..-阿摩線上測驗