Two artists make winter yard ornaments. They get $97 for each wooden snowman they make and $77 for each wooden Santa Claus. On average, Nina must work 4 hours and Roberta 3 hours to make a snowman. Nina must work 2 hours and Roberta 4 hours to make a Santa Claus. If neither wishes to work more than 20 hours per week, how many of each ornament should they make each week to maximize their income? 3 snowmen an 4 ornaments of Santa Claus: $19 4 snowmen an 3 ornaments of Santa Claus: $19 4 snowmen an 2 ornaments of Santa Claus: $542 5 snowmen an no ornaments of Santa Claus: $485 2 snowmen an 5 ornaments of Santa Claus: $23