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.
You should be especially diligent about taking steps to prevent macular degeneration if there is a history of AMD in your family, which has been shown to be a risk factor for the disease. AMD is the leading cause of irreversible vision loss among elderly people, who slowly lose their central vision.