Robert is a venture capitalist and is deciding whether to invest in NewCo. Several key technologies developed by NewCo originated from its founders, and they will be key to the company's future success. Robert is worried that some of the founders will leave the company shortly after incorporating. How can Robert minimize this risk:
a. Implement a vesting schedule for founders' shares.
b. Offer a higher salary to the founders.
c. Provide stock options with immediate exercise rights.
d. Exclude founders from decision-making processes.