The following information relates to Ponte Manufacturing Company's workers' compensation insurance premiums for 20X1. On January 15, 20X1, the company estimated its premium for workers' compensation insurance for the year on the basis of that data. Work Cassification Office work Shop work Amount of Estimated Wages 5 64,000 308,000 $ 5 Insurance Rates 0 30/5100 6.00/5100 Required: 1. Compute the estimated premiums. 2. Record in general journal form payment of the estimated premium on January 15, 20X1. 3. On January 4, 20X2, audit of the firm's payroll records showed that it had actually paid wages of $69,960 to its office employees and wages of $315,320 to its shop employees. Compute the actual premium for the year and the balance due the insurance company or the credit due the firm. 4. Prepare the general journal entry on December 31, 20X1, to adjust the Workers' Compensation Insurance Expense account. Analyze: If all wages were attributable to shop employees, what premium estimate would have been calculated and recorded on January 15, 20X1