Fixed vs Variable Costs. Fixed vs variable, fully allocated, average, marginal and incremental, each of these cost definitions address the need to understand a different facet of production. Fixed costs do not vary with the number of units produced. Variable costs change with production. For example, the rent paid on a factory would be a fixed cost.
mourn. 1  to feel or express sorrow; lament; grieve. 2  to grieve for someone who has died; specif., to manifest the conventional signs of such grief, as by wearing black clothing or a mourning band. 3  to make the low, continuous sound of a dove.
â¦ sadness n-uncount (Antonym: happiness) It is with a mixture of sadness and joy that I say farewell. 2 adj Sad stories and sad news make you feel sad. usu ADJ n. I received the sad news that he had been killed in a motor-cycle accident.