Sharon owns a commercial office building that is insured under three separate property insurance contracts. She has $20,000 of insurance from Company A, $40,000 from Company B, and $40,000 from Company C. Assume that a primary/excess liability provision is in effect for all three contracts in order (A, B, C). Sharon suffers a covered loss of $20,000, how much will Company A have to pay? $16,000 $8,000 $20,000 $4,000