John Jones purchased 100 shares of IBM in January 2019 for $80 per share. He purchased an additional 200 shares in January 2020 for $67 per share. Then, in December 2021, he made a final purchase of 250 shares for $92 per share. During this time IBM paid a dividend of $1.98 per share.

How much has Mr. Jones invested in total in IBM?

What is the average price per share of his total investment?

How much in dividends did Mr. Jones collect by the end of 2021.

What was his dividend yield on each purchase?

What is his combined dividend yield based on his total investment?