A founder owns 100% of their startup. They are offered an equity investment by a VC investor, accepts, and eventually, undergoes one more round of financing, with a new 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; After the second round of investment, what is the worth in stock of the founder, of VC1, and of VC2? What percentage of the company does each own?