Over the past 3 years, a cloud service has been unavailable for a total of 36 hours, primarily due to a denial of service attacks. additionally, the physical server hosting the cloud service crashed once. it took the cloud provider 4 days to replace the physical server and for the cloud service to become operational again. based on these statistics over the past 3 years, what is the availability rating of the cloud service?

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

The quinoa seed is in high demand in wealthier countries such as the u. s. and japan. approximately 97% of all quinoa production comes from small farmers in bolivia and peru who farm at high elevations—8,000 feet or higher. the seed is considered highly nutritious. mostly grown and harvested in bolivia and peru, and sold to markets in other countries, the seed is now considered an important for these nations. the governments of bolivia and peru are hopeful that this product will increase the quality of life of their farmers.

Petra contracted to paint bret’s house for $2,000. after beginning the job, petra realizes that the house is really quite big, and she’s not going to make enough profit, so she tells bret she wants another $500 to finish the job. bret doesn’t want to pay more, but he’s afraid that if she walks off the job, he’ll have trouble finding someone else to finish it, so he agrees. is bret legally obligated to pay the extra $500?