1. Ethel Norman, age 80, is retired and received the following income items for 2017: ocial security benefits ension income Dividend income Tax-exempt interest income $12,000 19,50 3,00 3,00 Ethel is single. Determine her provisional income: 2. Bruce Wayne owns and operates an office building, Wayne Tower. During 2017, he Payment on January 1, 2018 for December 2017 rent $5900 Monthly rent payments noted the following events concerning his tenants: Payment on Dec. 31, 2017 for January 2018 rent $5,800 41,700 3,600 Payments received for lease cancellations Security deposits to be returned to tenants at end of ease What is Bruce's gross rental income