
Answer:
The answer is given below;
Explanation:
Supplies (2,440-390) Â Â Â Â Â Â Dr.$2,050
Supplies Expense/Retained Earnings    Cr.$2,050
The correct entry on April 1 should have been
Supplies     Dr.$2,440
Accounts Payable  Cr.$2,440
But erroneously instead of debiting supplies,the supplies expense was debited and as result supplies expense was overstated and supplies understated.The entry made was;
Supplies expense Dr.$2,440
Accounts Payable Cr.$2,440
As at December 31, $390 supplies have been expense out,therefore by the difference amount (2,440-390),the expense and supplies will be reinstated to their actual values