Lilypad Hot​ Tubs, Inc. reports the following information for​ August: Sales Revenue $ 900 comma 000 Variable Costs 310 comma 000 Fixed Costs 56 comma 000 Calculate the operating income for August using variable costing. A. $ 590 comma 000 B. $ 900 comma 000 C. $ 844 comma 000 D. $ 534 comma 000