The insured has CGL coverage with 2 insurers who provide primary insurance. The CGL provided by insurance A has a $200,000 limit. The CGL provided by insurer B has a $800,000 limit. How much will each insurer pay if contribution is by limits and the loss is $50,000? Assume no deductible applies.

a. insurer A: $12,000; insurer B: $37,500

b. insurer A: $10,000; insurer B: $40,000

c. $25,000 each

d. insurer A: $50,000; insurer B: 0