【正文】
d recycling ? ? (4) left some paper to test yourself (the reaction) ,the line of the texts, pay more attention to the angle of the authors (more exactly the authority) ? (5) the highest level —— the mind in America( eg. Spring pig_ Unknown is blessing ) 。 5年中每年的銷售收入為 10000元,付現(xiàn)成本第一年為 4000元,以后隨著設(shè)備陳舊,逐年將增加修理費(fèi) 200元,另需墊支營(yíng)運(yùn)資金 3000元。有關(guān)資料如下