In 2021, the internal auditors of Development Technologies, Inc., discovered that (a) 2020 accrued salaries of $2 million were not recognized until they were paid in 2021 and (b) a $3 million purchase of merchandise in 2021 was recorded as a debit to Purchases in 2020 instead. The physical inventory count at the end of 2020 was correct. Ignoring income taxes, what journal entries are needed in 2021 to correct each error? Also, briefly describe any other measures Development Technologies would take in connection with correcting the errors.