suppose that the annual costs of hosptial for AIDS patients is as follow: a si

suppose that the annual costs of hosptial for AIDS patients is as follow: a single payment of 10 thousand for materials due at the begining of the year;12
payments of $3 thousand for rent due at the begining of the month;12 payments of $6 thousand for salaries due at the end of each month these costs are to be
covered by revenues from two sources a grant for $100 thousand from the provincial govt that is deposited at the begining of the year in a bank account paying interest at a stated annual rate of 9
percent and private donations that will be deposited in the same bank account at the end of ninth month following a fund drive.
calculate the private donations that are needed to cover the annual costs of the hosptial