Applies to any consumer who sells a product or service to a business on the internet; an example is priceline where consumers name the price they are willing to pay or social media where consumers benefit the company such as in food blogging where consumer bloggers may be paid by a company to include their products in recipes

Xinhong company is considering replacing one of its manufacturing machines. the machine has a book value of $39,000 and a remaining useful life of 5 years, at which time its salvage value will be zero. it has a current market value of $49,000. variable manufacturing costs are $33,300 per year for this machine. information on two alternative replacement machines follows. alternative a alternative b cost $ 115,000 $ 117,000 variable manufacturing costs per year 22,900 10,100 1. calculate the total change in net income if alternative a and b is adopted. 2. should xinhong keep or replace its manufacturing machine