A manufacturer of tiling grout has supplied the following data: Kilograms produced and sold 380,000 Sales revenue $ 2,736,000 Variable manufacturing expense $ 1,349,000 Fixed manufacturing expense $ 336,000 Variable selling and administrative expense $ 399,000 Fixed selling and administrative expense $ 372,000 Net operating income $ 280,000 The company's contribution margin ratio is closest to:

Jacob is a member of wcc (an llc taxed as a partnership). jacob was allocated $155,000 of business income from wcc for the year. jacob’s marginal income tax rate is 37 percent. the business allocation is subject to 2.9 percent of self-employment tax and 0.9 percent additional medicare tax. (round your intermediate calculations to the nearest whole dollar a) what is the amount of tax jacob will owe on the income allocation if the income is not qualified business income? b) what is the amount of tax jacob will owe on the income allocation if the income is qualified business income (qbi) and jacob qualifies for the full qbi duduction?