The investment promotion department hopes to buy a piece of land in total. They say that they can complete the three links and one leveling by the end of this year. After the completion of the three links and one leveling, the land payment must go to the other party's account. The payment must start civil construction within one month, complete the construction within one year and put into operation in the second year. I calculate that if 50 mu of land is purchased now, the three links and one leveling will be completed in January next year and nearly 2 million in February. Payment to the other party's account,...