A. On April 10, 2018, the Plaintiff, engaged in wholesale business, etc. of public machinery, sold 40,000,000 won in the 199-type MAINE 64 MG3 (a special machine for processing structures by using the charging phenomenon, with the wheels attached to the floor, and the Plaintiff, who was designated as the buyer on April 21, 2018. (b) On the 3rd of the Plaintiff’s factory, the Plaintiff and the Defendant C, who is the location of the Plaintiff’s factory, requested the Defendant C to provide services to remove the freight onto the Defendant’s factory, which is the location of the Plaintiff’s facility, to remove the freight from the Defendant’s 2nd of the 2nd of the 2nd of the 2nd of the 2nd of the 2nd of the 2nd of the 2nd of the 2nd of the 3rd of the 3rd of the 2nd of the 3rd of the 2nd of the 3rd of the 2nd of the 2nd of the 3rd.