Your robotic automation startup, Kela Controls, has raised capital as shown here:

Funding Pre-Money Post-Money

Series A $8 million $12 million

Series B $23 million $39 million

Series C $105 million $151 million

a. How much did Kela raise in each round?

b. What fraction of the firm's shares were held by founders and employees after each round?

c. What is the distribution of ownership across each security after the Series C financing?

d. If the firm is ultimately sold for $459

million, what multiple of money did each series earn? What will founders and employees receive? (Assume all preferred shares convert to common.)