On average, the firm receives 138 payments each day with an average value of $42 each. These payments clear the bank in an average of 1.3 days. In addition, it disburses 2.2 checks a day with an average amount of $2,250. These checks clear the bank in two days. What is the average amount of the collection float?A) $18,473.B) $3,401.C) $7,535.D) $41,965.E) $49,500.

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.