Molly mocha employs one college student every summer in her coffee shop. the student works the five weekdays and is paid on the following monday. (for example, a student who works monday through friday, june 1 through june 5, is paid for that work on monday, june 8.) the coffee shop adjusts its books monthly, if needed, to show salaries earned but unpaid at month-end. the student works the last week of july, which is monday, july 28, through friday, august 1. if the student earns $200 per day, what adjusting entry must the coffee shop make on july 31 to correctly record accrued salaries expense for july?