b.The monarch could expand his or her territory into new lands without the cost or risk required to set up a colony.
Charters were business ventures and the cost and maintenance of the settlement is up to the business.
Monarchs investing in a charter allowed them to expand their empire and bring wealth into the country with little investment. The monarch acted as an investor while the company set up a means of making money. If the settlement failed was successful, the monarchy would profit but if it failed the money lost was felt most by the company.