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.
Many MDS patients' diseases evolve into AML if they survive long enough. Furthermore, the risk of developing AML increases with the onset of bone-marrow failure. Although risk of developing either MDS or AML before the age of 20 is only 27%, this risk increases to 43% by the age of 30 and 52% by the age of 40.