6. The Alabama Surfboard Company has four employees working 8 hours per day (Monday through Friday) shaping and glassing surfboards at $10 per hour. They receive their salaries every Friday for that week's work. If the end of the accounting period occurs on a Wednesday, the adjusting entry to record accrued salaries would include a: a) Debit to Salaries expense of $320 b) Credit to Salaries payable of $640 c) Credit to Salaries expense of $960 d) Credit to Salaries payable of $960