please help t/f

Cost-volume-profit analysis is used to determine the number of units that must be sold to break even.. True or False True False Cost-volume-profit analysis can be used to compute expected income from predicted sales and cost levels. True or False True False Cost-volume-profit analysis requires management to classify all costs as either fored or variable with respect to production or sales volume within the relevant range of operations True or False True False Curvilinear costs increase as volume of activity increases, but at a nonconstant rate. True or False True False