I thought LZ is asking for accounting calculation. Profit and Loss. Accounting loss is usually calculated based on the product's original cost, not on the sale price, which includes a profit margin.
What's 实际 ? What's 亏损?
Are you know for certain people will line up to buy the product at the asking price? The product may or may not get sold at all or may have to sell at a reduced price later.
44 is the only correct answer.
If there has to be a correct answer, that should be $44. But mentally it depends how do you calculate it. I believe the person who has an answer of $44 must live happier than those who has an answer of $50.
"如果你把你的1000元投资到某个股,赚了1500,但是别人投1000到别的股,赚了2000.从accounting 角度看你确实收入500,但是如果你当初没有投错,能赚1000. 因为别人赚得多,你还是赔了" If somebody calculates it in this way, I guess he/she will never feel gain. And finally, they will not gain anything for sure.