Why has prototyping become a popular way to develop business applications? what are prototyping’s advantages and disadvantages?

Onsider the following subscription behavior information from genie, a web site that provides tools for constructing a family tree (ancestor search). subscriptions cost $9.99 per month, but you are charged for the entire year at the time of purchase. there is a one-year minimum term when you sign up for the service. once purchased, subscriptions are set to renew automatically unless the subscriber cancels them. when a membership renews, it renews for a one-year term and again you are charged for the entire year. there are no variable costs associated with providing this service to an individual customer, but genie does engage in customer relationship activities that they believe will increase customer retention. these customer relationship activities cost genie about $10 per year per customer. based on a sample of 1000 customers that joined genie five years ago, near the time when the company was founded, they were able to determine how many of those customers remained subscribers in the second year, third year etc. based on this information, genie calculated the average annual retention rate to be 20%. genie uses an annual discount rate of 8%. a. last year, genie spent $10,000 placing advertisements on google. genie management believes that these advertisements were responsible for about 300 new subscribers. would you recommend to genie management that they purchase more google ads? b. suppose a newly-introduced loyalty program increases the number of customers that remained to 30%. does this new data change your answer to 9.a? c. do you have any hesitations or concerns about making recommendations to management based on your above estimate of customer lifetime value?

Salge inc. bases its manufacturing overhead budget on budgeted direct labor-hours. the variable overhead rate is $8.10 per direct labor-hour. the company's budgeted fixed manufacturing overhead is $74,730 per month, which includes depreciation of $20,670. all other fixed manufacturing overhead costs represent current cash flows. the direct labor budget indicates that 5,300 direct labor-hours will be required in september. the company recomputes its predetermined overhead rate every month. the predetermined overhead rate for september should be:

Required information lansing company’s 2017 income statement and selected balance sheet data (for current assets and current liabilities) at december 31, 2016 and 2017, follow. lansing company income statement for year ended december 31, 2017 sales revenue $130,200 expenses cost of goods sold 53,000 depreciation expense 17,500 salaries expense 29,000 rent expense 10,100 insurance expense 4,900 interest expense 4,700 utilities expense 3,900 net income $7,100 lansing company selected balance sheet accounts at december 31 2017 2016 accounts receivable $6,700 $8,000 inventory 3,080 2,090 accounts payable 5,500 6,800 salaries payable 1,100 810 utilities payable 440 270 prepaid insurance 370 500 prepaid rent 440 290 required: prepare the cash flows from operating activities section only of the company’s 2017 statement of cash flows using the indirect method. (amounts to be deducted should be indicated with a minus sign.)