Capital Assets, continued
that are held for exhibition, education, research and public service. Estimated lives used for depreciation purposes are as follows:
| Classification | Estimated Life |
|---|---|
| Improvements | 20 years |
| Buildings | 40 years |
| Transportation equipment | 5 - 15 years |
| Equipment | 5 - 20 years |
| Enterprise Resource Software | 7 years |
| Library holdings | 10 years |
The liability and expense incurred for employee vacation and sick pay are recorded as accrued compensated absences in the statements of net position and as a component of compensation and benefit expense in the statements of revenues, expenses and changes in net position.
Unearned revenue includes amounts received for tuition and fees prior to the end of the fiscal year but related to the subsequent reporting period. Unearned revenues also include amounts received from grant and contract sponsors and state deferred maintenance funds that have not yet been earned.
For purposes of measuring the net pension liability, deferred outflows of resources and deferred inflows of resources related to pensions, and pension expense, information about the fiduciary net position of the Kentucky Employees Retirement System (KERS) and Kentucky Teachers' Retirement System (KTRS) and additions to/deductions from KERS's and KTRS's fiduciary net position have been determined on the same basis as they are reported by KERS and KTRS. For this purpose, benefit payments (including refunds of employee contributions) are recognized when due and payable in accordance with the benefit terms. Investments are reported at fair value.
The University is an agency and instrumentality of the Commonwealth of Kentucky, pursuant to Kentucky Revised Statutes sections 164.290 through 164.475. Accordingly, the University is generally exempt from federal income taxes as an organization described in Section 115 of the Internal Revenue Code of 1986, as amended. The Foundation has received a determination from the Internal Revenue