Tax drill - trade or business expenses indicate whether the following statements are "true" or "false" regarding the deduction criteria for § 162 and § 212.
a. the code refers to reasonableness solely with respect to interest and employee benefits.
b. to be deductible, any trade or business expense must be "ordinary and necessary." such expenses are deducted for agi.
c. an expense is ordinary if it is normal, usual, or customary in the type of business conducted by the taxpayer and is not capital in nature.
d. neither "ordinary" nor "necessary" is defined in the code or regulations.

Depreciation on the company's equipment for 2017 is computed to be $18,000.the prepaid insurance account had a $6,000 debit balance at december 31, 2017, before adjusting for the costs of any expired coverage. an analysis of the company's insurance policies showed that $1,100 of unexpired insurance coverage remains.the office supplies account had a $700 debit balance on december 31, 2016; and $3,480 of office supplies were purchased during the year. the december 31, 2017, physical count showed $300 of supplies available.two-thirds of the work related to $15,000 of cash received in advance was performed this period.the prepaid insurance account had a $6,800 debit balance at december 31, 2017, before adjusting for the costs of any expired coverage. an analysis of insurance policies showed that $5,800 of coverage had expired.wage expenses of $3,200 have been incurred but are not paid as of december 31, 2017.

What are the period and vertical shift of the cosecant function below? period: ; vertical shift: 1 unit up period: ; vertical shift: 2 units up period: ; vertical shift: 1 unit up period: ; vertical shift: 2 units up?

The solution set for -18 < 5x-3 iso-3х3< xо-3хo3 > x