Answer:
contribution margin 149,000
contribution margin ratio 73.76%
Step-by-step explanation:

sales revenue 292,000
variable cost 99,000
variable selling 44,000
contribution margin 149,000
The variable S&A cost are part of the variable cost, so they are deducted from the sales revenue to obtain the contribution margin

149,000/292,000 = .737624 = 73.76%