Lacy's Linen Mart uses the average cost retail method to estimate inventories. Data for the first six months of 2021 include: beginning inventory at cost and retail were $88,500 and $139,000, net purchases at cost and retail were $331,000 and $499,000, and sales during the first six months totaled $509,000. The estimated inventory at June 30, 2021, would be:

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.