pls don't just give T/F also explain why and where it's a F

TRUE/FALSE. Write T' if the statement is true and 'F if the statement is false 1) The impact on net operating income of a given dollar change in sales can be computed by multiplying the contribution margin by the dollar change in sales 2) The unit sales volume necessary to reach a target profit is determined by dividing the 2 sum of the fixed expenses and the target profit by the contribution margin per unit. 3) All other things the same, in periods of increasing sales, net operating income will tend 3) to increase more rapidly in a company with high fixed costs and low variable costs than in a company with high variable costs and low fixed costs. 4) The overall contribution margin ratio for a company producing three products may be 4) obtained by adding the contribution margin ratios for the three products and dividing the total by three. 5) For a capital intensive, automated company the break-even point will tend to be higher 5) and the margin of safety will be lower than for a less capital intensive company with the same sales. 6) On a cost-volume-profit graph, the revenue line will be shown below the total expense 6) line for any activity level above the break-even point. 7) The margin of safety in dollars equals the excess of actual sales over budgeted sales. 7) 8) At the break-even point, the total contribution margin and fixed expenses are equal. If two companies produce the same product and have the same total sales and same total expenses, operating leverage will be higher in the company with a higher proportion of fixed expenses in its cost structure