Three years ago, you founded your own company. You invested $ 100 comma 000$100,000 of your own money and received 5.05.0 million shares of Series A preferred stock. Your company has since been through three additional rounds of financing.

Round Price Number of Shares Series B $0.700.70 1 comma 100 comma 0001,100,000 Series C 2.502.50 550 comma 000550,000 Series D 4.004.00 700 comma 000700,000

a. What is the pre-money valuation for the Series D funding round?

b. What is the post-money valuation for the Series D funding round?

c. Assuming that you own only the Series A preferred stock (and that each share of all series of preferred stock is convertible into one share of common stock), what percentage of the firm do you own after the last funding? round?