Which of the following is an example of rigorous coursework?

Salaries are $4,500 per week for five working days and are paid weekly at the end of the day fridays. the end of the month falls on a thursday. the accountant for dayton company made the appropriate accrual adjustment and posted it to the ledger. the balance of salaries payable, as shown on the adjusted trial balance, will be a (assume that there was no beginning balance in the salaries payable account.)

According to ceo heidi ganahl, camp bow wow requires a strong and consistent corporate culture to keep all local franchise owners "on the same page" and to follow a common template for the business and brand. this culture could become detrimental over time because: (a) strong consistent cultures are inflexible and incapable of adapting to environmental change (b) strong consistent cultures are too flexible and capable of adapting to environmental change (c) strong consistent cultures don’t perform well in any environment (d) the passing of time provides stability and predictability for businesses

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions