Shirley, a U. S. citizen, has invented a solar-powered amplifier that can be used in small speakers, such as Bluetooth speakers, to increase the volume up to five times. She decides to apply for a patent for this device in the United States. If she receives approval for the patent, what would be the duration of patent protection?

Proportion of us adults who own a cell phone. in a survey of 1006 us adults in 2014, 90% said they had a cell phone.1

Emery pharmaceutical uses an unstable chemical compound that must be kept in an environment where both temperature and humidity can be controlled. emery uses 825 pounds per month of the chemical, estimates the holding cost to be 50% of the purchase price (because of spoilage), and estimates order costs to be $48 per order. the cost schedules of two suppliers are as follows: vendor 1 vendor 2 quantity price/lb quantity price/lb 1-499 $17 1-399 $17.10 500-999 $16.75 400-799 $16.85 1000+ $16.50 800-1199 $16.60 1200+ $16.25 (a) what is the economic order quantity for each supplier? (b) what quantity should be ordered and which supplier should be used? (c) the total cost for the most economic order sire is $

Motonous corporation has completed its fiscal year and reported the following information. the company had current assets of $153,413, net fixed assets of $ 412,331, and other assets of $7,822. the firm also has current liabilities worth $65,314, long-term debt of $178,334, and common stock of $162,000. how much retained earnings does the firm have?