A founder owns 100% of her startup. She is offered an equity investment by a VC investor, accepts, and eventually, undergoes two more rounds of financing, each time by another VC investor. The financing events are as follows: VC investor 1 steps in with $0.5 million at a pre-money value of $2 million; later, VC investor 2 contributes $3 million at a pre-money of $7 million; and, finally, VC investor 3 coughs up $5 million at a pre-money of $20 million. At that point, i.e. Round 3, what is the worth in stock of the founder, of VC1, of VC2, and of VC3?

What percentage of the company does each own?

All things being equal, why is a high pre money valuation good for the entrepreneur?

Does this mean she should negotiate only for the best price?

Why or why not?