Suppose a company wants to introduce a new machine that will produce a marginal annual savings in dollars given by upper s prime left parenthesis x right parenthesis equals startfraction 525 over 4 endfraction minus x squared , where x is the number of years of operation of the machine, while producing marginal annual costs in dollars of upper c prime left parenthesis x right parenthesis equals x squared plus startfraction 19 over 4 endfraction x . a. to maximize its net savings, for how many years should the company use this new machine? b. what are the net savings during the first year of use of the machine? c. what are the net savings over the period determined in part a?

What is product differentiation, and how can it be achieved ? what is product positioning? what conditions would head to head product positioning be appropriate?

Problem 2-18 job-order costing for a service company [lo2-1, lo2-2, lo2-3]speedy auto repairs uses a job-order costing system. the company's direct materials consist of replacement parts installed in customer vehicles, and its direct labor consists of the mechanics' hourly wages. speedy's overhead costs include various items, such as the shop manager's salary, depreciation of equipment, utilities, insurance, and magazine subscriptions and refreshments for the waiting room. the company applies all of its overhead costs to jobs based on direct labor-hours. at the beginning of the year, it made the following estimates: direct labor-hours required to support estimated output 10,000fixed overhead cost $ 90,000variable overhead cost per direct labor-hour $ 1.00 required: 1. compute the predetermined overhead rate.2. during the year, mr. wilkes brought in his vehicle to replace his brakes, spark plugs, and tires. the following information was available with respect to his job: direct materials $ 600direct labor cost $ 180direct labor-hours used 2 compute mr. wilkes' total job cost. 3. if speedy establishes its selling prices using a markup percentage of 30% of its total job cost, then how much would it have charged mr. wilkes?

For each example identify the most appropriate ctso