Rattan commenced a contract to build an asset for a customer in the year ended $30$ ?September $20$ X $4.$ ? The contract price was agreed at $1\mathrm{.}5$ ?million, and the total expected costs of the contract are $800,000.$ ? Rattan will satisfy the performance obligations over time.

The following figures are relevant in relation to this contract for the year ended $30$ ?September:

$20$ X $420$ X $5$

$\text{'}000\text{'}000$

Costs incurred to date $325575$

Work certified to date $4501,050$

Rattan recognises progress on the basis of work certified compared to contract price.