For Question 6b, why is the discount on bank bill = $2700, not $3600 on the balance sheet?

6. On May 15, 2018 Whitecliff Industries acquired some earth moving equipment by way of a $40,000 six-month discounted bank bill. The cash amount received was $36,400. Required: (a) Assuming a 30 June reporting date, show the journal entries from the date of purchase through to the payment of the bill. (b) Show how any liabilities relevant to this transaction would be disclosed on 30 June 2018 for the discounted bill