Requirement 2. Use the contribution margin radio approach to compute the dollar sales Stenback needs to sam 136,000 in operating income for the year (Round the contribution margin do to two decimal places) Begin by showing the formula and then entering the amounts to calculate the required sales dollars to eam $36,000 in operating income (found the repared sales in duers the nearest whole dr. For example, 31025 would be rounded to $11. Abbreviation used CM contribution margin) Fed Target prof $300,000 . $30,000 CM ratio 00 Required sales in duars 660000