Ned just bought a homeowner's policy from Main Street Insurance Company. However, he did not disclose that he operated a lawn mower repair business in his garage and that he employed two mechanics. He also did not disclose that one employee was injured three weeks ago. On what grounds might the insurer deny coverage in the event of a claim?
A. Warranty violation
B. Waiver and estoppel
C. Concealment.
D. Failure to indemnify