If the government decides to provide public health insurance (like Canada), what healthcare fee does it charge to achieve an efficient cover­age? How much will taxpayers have to pay? The marginal cost of health insurance is a constant $8,000 a year and the figure shows the marginal benefit and willingness and ability to pay curve. Suppose that the marginal social benefit of insurance exceeds the willingness and ability to pay by a constant $2,000 per family per year.