In 2022, a donor gives $1,000,000 cash to the Sunnydale University, and stipulates that the money must be held forever. Any investment income earned on this money must be used to supplement faculty salaries. By the end of 2022, $58,000 has been earned and, of that amount, the school has spent $40,000 appropriately. What was the overall change in net assets without donor restrictions for the year 2022 based on this information (use negative number to indicate decrease)?

Please explain all of the answers and corresponding numbers.