which of the following statements is generally true regarding trade or business $?$

a a trade business is an activity in which the taxpayer is involved contiuously and regularly and is carrie on primarily to make a profit

b in order to be considered a trade or biusiness $,$ it must be registered as such with the state

c it is not a requirement that the owner have a profit motive or make ongoing efforts to futher the interexst of the business

d the taxpayer must make a profit in the bsuiness within the first three years