or a string of coins, can be exchanged for one tael of silver.The production cost of a bar of soap is one tael of silver, and it can be sold for five times the profit. Each bar of soap brings a net p...Chapter 980 The Deep-Laying Planed at Li Chen, his eyes lit up.He sort of understood Li Chen's meaning; this was him asking to dig into the wall of Liao.To corrupt the enemy from within with honeyed words, He Kun is the most suitabl...