A company has spent $5,000 on a report into the viability of using a subcontractor. The report highlighted the following:

A machine purchased six years ago for $30,000 would become surplus to requirements. It has a written-down value of $10,000 but would be resold for $12,000.

A machine operator would be made redundant and would receive a redundancy payment of $40,000.

The administration of the subcontractor arrangement would cost the company $25,000 each year.

Which THREE of the following are relevant for the decision? (Choose three.)