This item is quoted at US$28.80()dozen FOB Dalian. A: a B: one C: per D: each

“We are sorry to tell you that we sell this item in lot unit, 10 pieces per lot”中，“in lot unit”指的是什么意思（ ）

There is a referral fee besides a per-item fee fee for individual sellers to pay.( )

Professional sellers can choose to pay a monthly subscription fee or a per-item fee according to their sales.

开启第二条生产线的标准（） A: 早餐ITEM数≥280/午餐ITEM≥241 B: 早餐ITEM数≥281/午餐ITEM≥240 C: 早餐ITEM数≥241/午餐ITEM≥280 D: 早餐ITEM数≥200/午餐ITEM≥180

The price-earnings ratio is calculated by dividing: A: Market value per share by earnings per share. B: Earnings per share by market value per share. C: Dividends per share by earnings per share. D: Dividends per share by market value per share. E: Market value per share by dividends per share.

The opportunity cost of an item is ( ). A: the price of that item B: what you give up to get that item C: the time you have to spend on earning enough money to buy that item D: the cost of producing that item

per day, per week

A credit item is an item for which a country must pay. ( )

The unit of Porter is () A: Characters per second B: Bit per second C: Frames per second D: Bytes per second