This is a very large number, in which the cost of raw materials used is up to 30 gold coins.

But the income, if all sold out, that is 600 gold coins!

This is not a small amount. The tax revenue of the territory is less than 2000 gold coins a year, which can be seen from this.

These civilians left the carpenter's shop suspiciously and went to the grocery store nearby.

In fact, the grocery store is only temporarily added, because the promotion of coal stove and coal requires a store in the fort.

The grocery store came into being. It was said that it was a grocery store. In fact, there was only a small amount of coal and coal stove.

There are special personnel to explain the function of coal and coal stove, and there is a coal furnace which is ignited with red charcoal fire.

There was also a kettle on the coal stove, which was steaming at the moment.

This grocery store is so amazing that you can find everything in other grocery stores, and you can buy some daily necessities here.

But there are only two kinds of things in this grocery store. One is black stone, the other is a strange looking container, and there is some kind of fuel burning in it.

However, according to the commentators, the reason why the shops in West Street are so warm is the heat generated by burning this black stone.

So, people are more interested in this place! Because everyone came to the West Street shop, they were attracted by the warm environment in the shop. The real reason is here.

In this case, can their homes be as warm as this?

All of a sudden, people listen more seriously! However, the civilians did not expect that, because according to the description, this kind of fuel is better than charcoal. Naturally, the price is not affordable for people who can't even afford it.

With the explanation of the commentators, they know that their home can also become as warm as spring here.

As long as the coal is burned in a coal stove and transformed by a civil engineering workshop, it can not only keep warm, but also cook and boil water.

The nobles didn't care whether they could cook, as long as they could make their home more comfortable. They quickly asked questions that everyone wanted to know.

"So? How much does this coal stove cost? What about burning coal? "

On hearing this, the commentator knew that the business was coming, and continued to explain: "there are two kinds of coal stoves. The first is made of the most common black iron, and the price is 20 silver coins. The second one is more exquisite and engraved with exquisite patterns, and the price is 50 silver coins. "

This price is OK, the common people think so, looking at the thick coal stove, want to use a lot of iron, sell this price, not expensive.

And the nobles are staring at the exquisite coal stove, although the material is also black iron, but looking at the exquisite incomparable, very in line with their identity.

At the same time, they are also lamenting that there is no better material for this furnace? If there is, it will highlight their identity and status!

"In addition, it is difficult for the common people to live in the territory, and it is difficult to keep warm. The price of this coal is 10 silver coins per kilogram, which is about enough for a normal room for more than three months. It will not be sold in bulk for the time being. "

"And the coal is not sold here, but at the city wall outside the castle gate. If you want to buy it, you can buy it there."

"If you need to transform, you can go to the nearby civil workshop and contact craftsmen to transform for you. Due to the limited number of craftsmen, you can come first served."

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