1. Between 2015 and 2018 the total amount of an investment deposited in a bank grew from $250,000 to $375,000. What is the compounded annual rate of increase, if interest is compounded monthly?

1. An up-and-coming band is planning to invest $2,500 in the beginning of every month for five years in order to plan for a nationwide tour at the end of that period. They will deposit the money into an account that pays 5% compounded monthly. How much will the band have five years from now?

1. What is the difference between gross margin, profit, and revenue? Which one is the largest, and which one is the smallest?

1. A founder owns 100% of her startup. She is 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?