238 Answers to quick quiz 1 Marginal costing is an alternative method of costing to absorption costing. In marginal costing, only variable costs are charged as a cost of sale and a contribution is calculated (sales revenue â variable cost of sales).
The elderly are an at-risk population because they have increased risk for adverse health outcomes, a need for health services, and unique social circumstances. Risks for common diseases increase over the life span, and other diseases are linked specifically to old age.
Household contacts of patients with MDR-TB have a particularly high risk for tuberculosis, 7.8% within 4 years in a study from Lima, Peru.Limited data are available on regimens for the treatment of patients exposed to MDR-TB.