M: For these two mattresses, how much do you think the price of the colored mattress is higher than that of the non-colored mattress is reasonable and you are willing to pay? <br>A: 5%.
M: These two mattresses, do you think there is color than no color more than how much price you think is reasonable, and you are willing to pay?<br>A:5%。
M: How much do you think the price of these two mattresses with color is more than that without color? Do you think the price is reasonable and you are willing to pay for it?<br>A:5%。<br>