Lightner Trophies Inc. uses a job order cost system for determining the cost to manufacture award products (plaques and trophies). Among the company??s products is an engraved plaque that is awarded to participants who complete a training program at a local business. The company sells the plaque to the local business for $180 each.

Each plaque has a brass plate engraved with the name of the participant. Engraving requires approximately 30 minutes per name. Improperly engraved names must be redone. The plate is screwed to a walnut backboard. This assembly takes approximately 25 minutes per unit. Improper assembly must be redone using a new walnut backboard. During the first half of the year, the university had two separate executive education classes. The job cost sheets for the two separate jobs indicated the following information:

a. Why did the cost per plaque increase from $150.00 to $180.00?b. What improvements would you recommend for Lightner Trophies Inc.?

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Job 101 April 12 Cost per Unit Units Job Cost Direct materials: $1,980.00 1,650.00 2,475.00 Wood $30.00/unit 66 units Brass 25.00/unit 66 units Engraving labor Assembly labor Factory overhead 75.00/hr. 33 hrs. 50.00/hr. 27.5 hrs. 1,375.00 40.00/hr. 60.5 hrs. 2,420.00 $9,900.00 Plaques shipped 66 Cost per plaque $ 150.00 Job 105 May 6 Cost per Unit Units Job Cost Direct materials: Wood $30.00/unit 36 units $1,080.00 Brass 25.00/unit 36 units 900.00 Engraving labor Assembly labor Factory overhead 75.00/hr. 18 hrs. 1,350.00 50.00/hr. 15 hrs. 750.00 40.00/hr. 33 hrs. 1,320.00 $5,400.00 Plaques shipped 30 Cost per plaque $ 180.00