1. Definition of 'basis year', 'basis period' and 'accounting period'.
2. Determination of basis period of companies on commencement of business and change of accounting date.
3. Computation of adjusted income/(loss) following the change of accounting date.
Define descriptive epidemiology. Describe uses strengths, and limitations of selected descriptive study designs such as ecologic study, case report, case series, and cross sectional survey. Define ration, proportion, and rate. Distinguish between crude and be able to calculate age adjusted rates using either the direct or the indirect method. Define standardized morbidity (or mortality) ration.