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. The contribution margin ratio takes the concept of the contribution margin per unit produced and calculates it as a percentage of the sales price per unit. This shows what percentage of sales is made up of the contribution margin. Managerial accountants also use the contribution margin ratio to calculate break-even points in the break-even analysis.