Ngoc owns an apartment building that is fully leased. He sells it to Mathias. What happens to the leases of the building's tenants? a. Ngoc continues to receive rent payments through the terms of the leases. b. Mathias can revise the leases and raise the rent if he chooses. c. The leases remain valid through the end of their terms. d. Mathias may choose to evict the tenants and sell the apartments as condos