1. Kee owes Cee 10,000. Cee owes Kee 10,000. Can legal compensation takes place? Why or why not?

2. Dea indebted to Choi for Php 52,000. On due date, Dea tendered payment amounting to Php 52,000 which consisted of the following: 47 pieces of Php 1,000 bills for total of Php 47,000; and 250 pieces of Php 20 bills for total of Php 5,000. Choi refused to accept the payment and demanded that Dea make his payment all in Php 1,000 bills since according to him, the Php 20 bills were too bulky and inconvenient for him to carry. Is Choi refusal valid? Why or why not?