Variable Costing Income Statement On April 30, the end of the first month of operations, Joplin Company prepared the following income statement, based on the absorption costing concept: If the fixed manufacturing costs were $14,688 and the fixed selling and administrative expenses were $6,270, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars. If the fixed manufacturing costs were $14,688 and the fixed selling and administrative expenses were $6,270, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars