Answer:
$149,000
Step-by-step explanation:
The basic accounting equation is; ASSETS = LIABILITIES + CAPITAL
Retained earnings is the missing figure in order to balance the equation. Salaries Expense will not be considered as it is an Income Statement item and not enough Data is provided to prepare an Income Statement.
ASSETS 
Building $57,000 
Land $41,000 
Equipment $61,500 
Accounts Receivable $31,000 
Short-term investments $7,000 
Cash and Cash Equivalents $82,000 
Total Assets $279,500 
 
LIABILITIES 
Accounts Payable $38,000 
Interest Payable $1,500 
Income Taxes Payable $10,000 
Long Term Notes Payable $56,000 
Total Liabilities $105,500 
 
EQUITY 
Common Stock $25,000 
Retained Earnings $149,000 
Total Equity $279,500