According to the video, what are some tasks Electrical Engineers perform? Check all that apply. •designing and testing electrical equipment.

• installing heating equipment in customers' homes.

• overseeing the manufacture, installation, and maintenance of equipment.

• making weather predictions.

•working on grids.

• designing household appliances that use electronics.

You are considering the purchase of one of two machines used in your manufacturing plant. machine 1 has a life of two years, costs $20,000 initially, and then $4,000 per year in maintenance costs. machine 2 costs $25,000 initially, has a life of three years, and requires $3,500 in annual maintenance costs. either machine must be replaced at the end of its life with an equivalent machine. using eac which is the better machine for the firm