Definition: Van Diemen's Land, the island south of mainland Australia, is now known as Tasmania. In the 1800s it was a penal colony to which the British government sent convicts. Some of the Irish rebels tried for their parts in the Young Ireland movement of the 1840s were sent to Van Diemen's Land.n the 1800s it was a penal colony to which the British government sent convicts. Some of the Irish rebels tried for their parts in the Young Ireland movement of the 1840s were sent to Van Diemen's Land.
What is contribution margin? In accounting contribution margin is defined as revenues minus variable expenses. In other words, the contribution margin reveals how much of a company's revenues will be contributing (after covering the variable expenses) to the company's fixed expenses and net income.
The contribution margin of one unit is ($100 - $12 - $25 - $10) $53 because the fixed overhead per unit of $8 is not considered. Usefulness of Contribution Margin. Contribution margin is used by management when making pricing decisions. This is especially true in special pricing or special order situations where fixed costs are sunk costs and should not be factored into the decision whether to accept or reject. Negative or low contribution margins indicate a product line or business segment may not be profitable.