一句翻译：这个样品是上次会谈时选出的，比之前的贵了1毛6（美金）

This sample is selected during last negotiation, the price is 16 cents higher than previous one.

This is the sample which is chosen from the last meeting, it is 1.6cents expensive than the past.

This sample selected when this sample was a last time talks of and compare before expensive one hair 6(US$)

The sample selected during last negotiation is 16 cents more expensive than the former one.