Tying It All Together Case 23-1 Before you begin this assignment, review the Tying It All Togetherfeature in the chapter. Kellogg Company manufacturers and markets ready-to-eat cereal and convenience foods including Raisin Bran, Pop Tarts, Rice Krispies Treats, and Pringles. In addition to the raw materials used when producing its products, Kellogg Company also has significant labor costs associated with the products. As of January 2, 2016, Kellogg Company had approximately 33,577 employees. A shortage in the labor pool, regulatory measures, and other pressures could increase the company's labor cost, having a negative impact on the company's operating income. Requirements 1. Suppose Kellogg Company noticed an increase in its actual direct labor costs compared to the budgeted amount. How could Kellogg Company investigate this? 2. What is the direct labor cost variance and how would a company calculate this variance? 3. What is the direct labor efficiency variance and how would a company calculate this variance? 4. Suppose that Kellogg Company found an unfavorable total direct labor variance that was due completely to the direct labor cost variance. What measures could Kellogg Company take to control this variance? 5. Suppose that Kellogg Company found an unfavorable total direct labor variance that was due completely to the direct labor efficiency variance. What measures could Kellogg Company take to control this variance