Flint Corporation has the following income statement items:

ACCOUNT NAME AMOUNT

Product Sales Revenue $$600,000$

Interest Income $$50,000$

Interest Expense $$20,000$

Cost of Goods Sold $$300,000$

Consulting Fees Revenue $$70,000$

Inventory $$250,000$

Cash $$50,000$

Based on the information presented above, what would the amount of the credit to the income summary account be when the accountant prepares the closing entries.