a few questions i managed to write down In which situations would comparison of actual performance with a fixed budget be appropriate.a. a service dept where most costs are fixed.b.a prodn dept where most costs are variable c.a sales dept attempting to acheive a sales target. qtn 2 a business uses the following cost equation to calculate costs y= 8000+40x , at what prodnt level will fixed costs equal to variable cost and a lot of questions on standard costing