Over the past two years, Carolia has used a dollar-cost averaging formula to purchase $700 worth of Pfizer (Ticker: PFE) common stock each month. The price per share paid each month over the last 12 months is given in the following table. Assume that Carolina paid no brokerage commissions on these transactions. 1. How much was Carolina's total investment over the one-year period? 2. How many shares did Carolina purchase over the one-year period? 3. Use your findings to calculate the average cost per share of Pfizer. 4. What was the value of Carolina's holdings in Pfizer at the end of the first year? Month Year 1 $38.31 $36.89 $35.90 $33.49 $36.23 $38.65 November 1, 2020 December 1, 2020 January 1, 2021 February 1, 2021 March 1, 2021 April 1, 2021 May 1, 2021 June 1, 2021 July 1, 2021 August 1, 2021 September 1, 2021 October 1, 2021 $38.73 $39.16 $41.81 $46.07 $43.01 $42.93