11. A manufacturing company owns three buildings valued on a replacement cost basis, as follows: Building 1 - $150,000; Building 2 - $300,000; Building 3 - $700,000. If these buildings were insured on a blanket basis subject to the usual coinsurance rule for blanket insurance, what is the lowest limit of insurance that the manufacturing company could buy and still comply with the coinsurance requirements? A. $700,000 B. $920,000 C. $1,035,000 D. $1,150,000