Barney builds custom wooden birdhouses. he can make 150 birdhouses per month and sell them for $50 each. his average total cost is $30 per birdhouse. refer to scenario 13-16. barney is considering hiring his best friend fred to work for him. fred can build 125 birdhouses per month. if barney hires fred, what will be the monthly marginal product

Which of the following is not a characteristic of enterprise applications that cause challenges in implementation? a. they introduce "switching costs," making the firm dependent on the vendor. b. they cause integration difficulties as every vendor uses different data and processes. c. they are complex and time consuming to implement. d. they support "best practices" for each business process and function. e. they require sweeping changes to business processes to work with the software.