For four years, Mary Thomas invested $4,000 each year in America Bank stock. The stock was selling for $52 in 2018, for $48 in 2019, for $49 in 2020, and for $41 in 2021
a. What is Mary's total investment in America Bank?
b. After four years, how many shares does Mary own?
Note: Round your intermediate calculations to 1 decimal place. Round up your final answer to the nearest whole unit.
c. What is the average cost per share of Mary's investment?
Note: Round up your intermediate value of \"Total shares\" to the nearest whole unit. Round your final answer to 2 decimal places.
a. Total investment
b. Total shares
c. Average cost per share