You purchased 500 shares of PSE&M, Inc. stock at a price of $43.70 a share. You then purchased put options on your shares with a strike price of $40.00 and an option premium of $0.90. At expiration, the stock was selling for $47.80 a share. You sold your shares on the option expiration date. What is your net profit or loss your transactions related to PSE&M, Inc. stock? A) $1,600 B) $2,300 C) $1,250 D) $2,150 E) $1,650

Scientists developed the first successful human cell culture in vitro (grown in a lab) in the 1950s by removing cancer cells from a woman. this concept has allowed modern scientists to successfully grow organs. which of the following answers  bestdetermines why there was success?   neurons send a signal to the cell to multiply.a large blood supply to the cell allows enough nutrients for growth.cells are the basic unit of life and thus can regenerate if in a controlled environment.cells cannot reproduce on their own, and the scientist manipulates them to grow.