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 foed manufacturing costs were $20,328 and the fixed selling and administrative expenses were $9,090, prepare an income statement according to the variable conting concept. Round all final answers to whole doliars. If the fixed manufacturing costs were $20,328 and the fixed selling and administrative expenses were $9,090, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars