Miami, Inc, planned and actually manufactured 250.000 units of its single product in 2022, its first year of operation. Variable manufacturing cost was $19 per unit produced. Variable operating (nonmanufacturing) cost was $13 per unit sold. Planned and actual fixed manufacturing costs were $750,000. Planned and actual fixed operating (nonmanufacturing) costs totaled $420,000. Miami sold 170,000 units of product at $41 per unit. Miami's 2022 operating income using variable costing is (a) $1,100,000, (b) $600,000, (c) $360,000, (d) 5780,000 , or (e) none of these, Show supporting calculations