B$34$ E$15-9($Correcting Entries for Equity Transactions$)$ Pistons Inc. recently hired a new accountant with extensive experience in accounting for partnerships. Because of the pressure of the new job, the accountant was unable to review what he had learned earlier about corporation accounting. During the first month, he made the following entries for the corporation's capital stock.

Exercises $861$

May $15$

$31$

Capital Stock

Cash

$($Purchased $1,000$ shares of common stock for the treasury at $$15$ per share$)$

Cash

Capital Stock

Gain on Sale of Stock

$($Sold $500$ shares of treasury stock at $$17$ per share$)$

$15,000$

$15,000$

$8,500$

$5,000$

$3,500$

Instructions

On the basis of the explanation for each entry, prepare the entries that should have been made for the capital stock transactions.