Help with workers compensation insurance and adjustment

REQUIRED 1. Calculate the estimated workers' compensation insurance premium and pre- pare the journal entry for the payment as of January 2, 20--. 2. Assume that Willamette Manufacturing's actual payroll for the year was $672,000. Calculate the total insurance premium owed and prepare a journal entry as of December 31, 20--, to record the adjustment for the underpayment. The actual payment of the additional premium will take place in January of the next year. 3. Assume instead that Willamette Manufacturing's actual payroll for the year was $634,000. Prepare a journal entry as of December 31, 20--, for the total amount that should be refunded. The refund will not be received until the next year