mutliple choices help

9 S3 SA 55 56 57 58 59 60 61 62 63 64 65 66 67 68 What will result from an increase in the activity level within the relevant range? A. A proportionate increase in total fixed costs. 1. An mchanged fixed cost per unit, C. A decrease in fixed cost per unit D. An increase in fixed cost per unit 10 For a lamp manufacturing company, the cost of the insurance on its vehicles that deliver lamps to customers is best described as A Manufacturing overhead cost B. Period cost c Differential cost of a lamp D. Prime cost