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.
Contribution Margin Ratio | Contribution Margin Formula. The contribution margin ratio is the difference between a company's sales and variable expenses, expressed as a percentage. The total margin generated by an entity represents the total earnings available to pay for fixed expenses and generate a profit.o calculate the contribution margin ratio, divide the contribution margin by sales. The contribution margin is calculated by subtracting all variable costs from sales.