Let's work on an example of calculating Marginal Costs. The book describes Marginal Costs as the additional cost incurred when the output is increased by one unit. However, sometimes in the real world information isn't available for increases of single units, rather it is available only for larger increases. So, suppose we have the following information about the costs of a firm: Quantity Total Cost 300 $1700 500 $2500 650 $3250 This means that the total costs for the company would be $2500 if it decided to produce 500 units of output and $3250 if it decided to produce 650. We can still calculate a Marginal Cost of the 650th unit, but it will have to be the Marginal Cost (per unit) of units 501 to 650. Note that we still want to put the Marginal Cost on a per-unit basis. So to do that, we will take the change in costs from increasing the output from 500 to 650 and divide by the change in quantity. Also note that we want to use data for the smallest gap possible. So while we have data for other levels of output, we will use data for the nearest quantity (500) and ignore the others (350) Step one is to calculate the change in total costs.

Sweeten company had no jobs in progress at the beginning of march and no beginning inventories. the company has two manufacturing departments--molding and fabrication. it started, completed, and sold only two jobs during march—job p and job q. the following additional information is available for the company as a whole and for jobs p and q (all data and questions relate to the month of march): molding fabrication total estimated total machine-hours used 2,500 1,500 4,000 estimated total fixed manufacturing overhead $ 10,000 $ 15,000 $ 25,000 estimated variable manufacturing overhead per machine-hour $ 1.40 $ 2.20 job p job q direct materials $ 13,000 $ 8,000 direct labor cost $ 21,000 $ 7,500 actual machine-hours used: molding 1,700 800 fabrication 600 900 total 2,300 1,700 sweeten company had no underapplied or overapplied manufacturing overhead costs during the month. required: for questions 1-8, assume that sweeten company uses a plantwide predetermined overhead rate with machine-hours as the allocation base. for questions 9-15, assume that the company uses departmental predetermined overhead rates with machine-hours as the allocation base in both departments. 1. what was the company’s plantwide predetermined overhead rate? (round your answer to 2 decimal places.) next

Vintage fun reproduces oldminusfashioned style roller skates and skateboards. the annual production and sales of roller skates is 950 units, while 1,750 skateboards are produced and sold. the company has traditionally used direct labor hours to allocate its overhead to products. roller skates require 2.5 direct labor hours per unit, while skateboards require 1.25 direct labor hours per unit. the total estimated overhead for the period is $114,300. the company is looking at the possibility of changing to an activityminusbased costing system for its products. if the company used an activityminusbased costing system, it would have the following three activity cost pools: the overhead cost per skateboard using the traditional costing system would be closest to: a. $9.31. b. $65.31. c. $25.05. your answer is not correct. d.

Calculate riverside’s financial ratios for 2014. assume that riverside had $1,000,000 in lease payments and $1,400,000 in debt principal repayments in 2014. (hint: use the book discussion to identify the applicable ratios.)