need help with 19 and 22

Which of the following cost is most likely a fixed cost? Multiple Choice st Assembly line worker's wages Energy costs to run machines producing units of output in a factory. Depreciation on the building for administrative staff offices Material costs for production of units of output in a factory, Lily's Bakery had $2,200,000 in sales last month. The contribution margin ratio was 35% and operating profits were $175,000. What is Lily's break-even sales volume (sales dollars)? Multiple Choice $1430,000. $2,025,000 $1,700,000