Suppose the average Social Security benefits in the nation are $12,000 per year. There are 50 million Social Security recipients. There are also 150 million workers in the workforce earning an average taxable wage of $25,000 per worker. Calculate the dependency ratio for the nation. Calculate the tax rate on wages necessary to pay social Security benefits this year assuming the system is operating on a pay-as-you-go basis. Calculate the net replacement rate (NRR) for Social Security retirees. a. b. c