Martha is preparing to write her PM exam. She has a team that she is studying with and they are discussing reserves. Which of the following contains correct information? Management reserves include profit and are used by the sponsor to manage known knowns. Management reserves are managed by the project manager and are used to manage known unknowns. Contingency reserves are in place. They are managed by the project manager and are used to manage known unknowns. Contingency reserves are managed by the project sponsor and are used to cover escalations in material prices and foreign exchange fluctuations