Plz help grammar

The four organizations’ revenues can be divided into two groups: donations and other activities. Donations include contributions, investments and government grants. Donations are the most important parts in the four organizations’ revenues, which come over 50% of their total revenues. In other activities, program services have the highest proportion of total revenues. Because the four organizations are committed to making and providing the best performance programs to audience, in order to achieve culture communication, education and entertainment to public. Program services also have the high proportion of total expenses. It shows the organization duties. Expense of fundraising is mainly used to operate company every day. In the four organizations, fundraising is zero in Providence performing arts center; as a result, there is no operating contribution in this organization. Otherwise, administration shows company internal management expense, the employees’ salary has high proportion of administration expense in this organization. So we can see the income of employees in the New York Center Inc is very high, so the company spends the most expense on this. If we look at revenues and expenses of program services, we can see all four organizations spending more than earning. So donations are the most income for the four organizations. Regional differences also lead to the number of income and expenditure differences, such as New York Center Inc is located in the bustling city of New York, it cost a small city compared to the other three bodies are relatively high, but at the same time it is also very high income The assets amount of the four organizations is almost similar except "friend of the culture center" which is smaller than other three. The other three bodies are very close to the number of assets, but their debt to capital ratio but had a very small, which means that the high number of their net assets, with a lot of valuable resource, shows the four bodies disposal Many assets, management capability is better

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