For 2020, Roberta is a self-employed truck driver with earnings of $48,728 from her business. During the year, Roberta received $2,500 in interest income and dividends of $500. She also sold investment property and recognized a $1,500 gain. What is the amount of Roberta's self-employment tax (Social Security and Medicare taxes) liability for 2020

Miller company’s most recent contribution format income statement is shown below: total per unit sales (20,000 units) $300,000 $15.00 variable expenses 180,000 9.00 contribution margin 120,000 $6.00 fixed expenses 70,000 net operating income $ 50,000 required: prepare a new contribution format income statement under each of the following conditions (consider each case independently): (do not round intermediate calculations. round your "per unit" answers to 2 decimal places.) 1. the number of units sold increases by 15%.