The form of resource (input) substitution where one input can be exactly substituted for another in production is known as: Select one: a. Perfect substitutes b. Imperfect complements c. Imperfect substitutes d. Complementary substitutes e. Perfect complements

(select all that apply) examples of email use that could be considered unethical include denying receiving an e-mail requesting that you work late forwarding a chain letter asking for donations to a good cause sending a quick message to your friend about last weekend sending your boss the monthly sales figures in an attachment setting up a meeting with your co-worker sharing a funny joke with other employees

Helen tells her nephew, bernard, that she will pay him $100 if he will stop smoking for six months. helen was hopeful that if bernard stopped smoking for six months, he would stop altogether. bernard stops smoking for six months but then resumes his smoking. helen will not pay him. she says that the type of promise she made cannot constitute a binding contract and that, furthermore, it was at least implied that he would stop smoking for good. can bernard legally collect $100 from helen

Which three of the following expenses can student aid recover? -tuition -television -school supplies -parties and socializing -boarding/housing