1. Mr. and Mrs. Ryan are both over 65 years of age and are filing a joint return. Their income for the current year consisted of the following: Taxable interest $ 8.000 Taxable pension $16,000 Taxable dividends 9,000 Tax-exempt interest 3,000 Social Security payments (total) 14,000 What amount of their Social Security benefits is taxable? a. $11.900 b. $ 5,500 c. $ 7.000 d. $ 0 e. None of the answers provided is correct