Required information [The following information applies to the questions displayed below.] Bunnell Corporation is a manufacturer that uses job-order costing. On January 1, the company's inventory balances were as follows: The company applies overhead cost to jobs on the basis of direct labor-hours. For the current year, the company's predetermined overhead rate of $14.50 per direct labor-hour was based on a cost formula that estimated $580,000 of total manufacturing overhead for an estimated activity level of 40,000 direct labor-hours. The following transactions were recorded for the year: a. Raw materials were purchased on account, $690,000. b. Raw materials used in production, $641,800. All of the raw materials were used as direct materials. c. The following costs were accrued for employee services: direct labor, $530,000; indirect labor, $150,000; selling and administrative salaries, $308,000. d. Incurred various selling and administrative expenses (e.g., advertising, sales travel costs, and finished goods warehousing). $457,000. e. Incurred various manufacturing overhead costs (e.g., depreciation, insurance, and utilities), $430,000. f. Manufacturing overhead cost was applied to production. The company actually worked 41,000 direct labor-hours on all jobs during the year. g. Jobs costing $1,703,300 to manufacture according to their job cost sheets were completed during the year. h. Jobs were sold on account to customers during the year for a total of $3,510,000. The jobs cost $1,713,300 to manufacture according to their job cost sheets. 14. What is the gross margin for the year? Use inverse matrices to find the solution of the system of equations. x+y+2z=72x+y+z=92x+2y+z=11