What is the reason of life, like why and how are we made... like, just, why?

Carrie received a w-2 form, 1099-misc, and a 1099-int. what is most likely true about carrie?

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Which allows college students to work part time jobs to pay for educational expenses ?