Cullumber Inc. earned operating income of $84,000 during 2021. The company wants to earn operating income of $117,600 during 2022. Its fixed costs are expected to be $47,040, and variable costs are expected to be 30% of sales. (a) Determine the required sales to meet the target operating income during 2022. Required sales $ D Fill in the dollar amounts for the summary income statement for 2022 below based on your answer to above part. Sales revenue Variable costs Contribution margin Fixed costs Operating Income W