Answer and Explanation:
The impact on the sale and the payoff the loan in an accounting equation is as follows:
But before that
The following journal entries should be recorded
Cash $60,000
To Land $40,000
To Profit on sale of land $20,000
(Being the sale of the land is recorded)
Loan Dr $15,000
To Cash $15,000
(Being the loan is paid)
Here the cash would increased by $5,000, the liabilities would decreased by $15,000 and equity would be increased by $20,000