help on these 5 mult. choice questions please

Which of the following statements is NOT true? Cost-volume-profit analysis is a predictive tool for identifying the impact of future cost changes, price changes, and volume of activity changes. Cost-volume-profit analysis can be used to analyze actual costs incurred, actual volume of activity, sales made, and profit earned. Cost-volume-profit analysis can be used to compute expected income from predicte sales and cost levels. Cost-volume-profit analysis requires management to classify all costs as either fixed or variable with respect to production or sales volume within the relevant range of operations. Question 4 2 pt Which of the following is NOT true? (Please read each choice carefully) A break-even point can be calculated either in units or in dollars. The basic form of cost-volume-profit analysis is often called break-even analysis. The contribution margin per unit is the price at which a unit must be sold in order for the company to break even. The break-even point is the sales level at which a company neither earns a profit nor incurs a loss. Question 1 2 pts Which of the following statements is CORRECT? (Please read each choice carefully) TOTAL fixed costs change in proportion to changes in volume of activity. Fixed costs PER UNIT remain constant as volume changes. TOTAL variable costs change in proportion to changes in volume of activity. Variable costs PER UNIT increase proportionately with increases in volume of activity A firm forecasts the following information: Sales $326,000 Break-even sales $300,000 What would be the firm's margin of safety percent? 108.7% 8.0% 8.7% 92.0% Question 6 2 pts A cash budget will show: the predicted amounts for assets, liabilities, and stockholders' equity at the end of the budget period. the income effects of the budgeted activities. the expected cash inflows and outflows during the budget period. the predicted units to be produced during the budget period