1. The counterclaims filed by this Court include the primary and conjunctive counterclaims filed by the counterclaims C.

1. Basic facts

(a) Concluding the contract for new construction of multi-household housing and its progress - Co-Plaintiff C, Counterclaim Defendant E - June 30, 2015 - Construction cost of 720,000,000 (including safety management expenses, industrial accident compensation insurance expenses, waste disposal expenses) - KRW 50,000 for the first progress portion of 2nd floor after the completion of the construction, 75,000 for the second progress portion of - 00,000 for the second time portion of 00,000 for the second time, 50,000 for the second time, 50,000 for the completion portion of - 00,000 for each of 2 months after the completion of the construction, 00,000 for the second time, 00,000 for the second time, 00,000 for the second time, 00,000 for the second time, 00,0000 for the second time portion after the completion inspection.

(A) On December 14, 2015, the contract for new construction works for multi-household B was concluded, respectively. The main contents of the contract are as follows (a total of the foregoing construction works is referred to as “large-si construction works” below.

(2) On February 2, 2016, which was after the 201st anniversary of the 201st th structural frame, K actually performed a string construction on behalf of the counter-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-sub-Defendant E. The 100,000,000 won for the first phase and the 25th of March 201