Alberta Corporation produces a single product that it sells for $$10$ per unit. During the first year of operations, $100,000$ units were produced, and $85,000$ units were sold. Manufacturing costs and selling and administrative expenses for the year were as follows:

Fixed Costs Variable Costs

Raw materials $--$ $$2\mathrm{.}00$ per unit produced

Direct labour $--$ $$1\mathrm{.}50$ per unit produced

Factory overhead $$200,000$ $$0\mathrm{.}75$ per unit produced

Selling and administrative $180,000$ $$0\mathrm{.}50$ per unit sold

What was Alberta Corporation's operating income for the year using variable costing?