Accounting records are partially destroyed by a flood. the following information relating to the period from 31 Decembers 20X6 until 19 April 20X7 is available. Cash paid to supplier $4,000 Contra entries with receivable ledger $2,700 Discounts received from supplier $5,000 On 31 December 20X7, trade payable amount to $9,700 and on 22 April 20X8 they were $49,400 What's the credit purchase for the period from 31 December 20X5 until 22 April 20X8?