A government hospital has the following assets, among others:

1. Investments of \(\$ 2\) million from a donation made specifically for the purpose of defraying part of the cost of enlarging the hospital's pediatric center.

2. Cash and investments totaling \(\$ 750,000\) that the hospital board has designated for use for the expansion of the pediatric center.

3. \(\$1.5\) million restricted by donors to be used to supplement the operating budget of the hospital's cancer treatment center.

4. $2 million restricted by third-party reimbursement agreements to be used to replace certain equipment.