Average revenue (AR), is revenue per unit, and is found by dividing TR by the quantity sold, Q. AR is equivalent to the price of the product, where P x Q/Q = P, hence AR is also price. Marginal revenue (MR) is the revenue generated from selling one extra unit of a good or service.
We have many different batteries and alternatives for your hearing aids. The typical life span of a regularly-used hearing aid battery is short, sometimes only between 5 and 10 days. So itâs best to stock up on the size you need when you spot a good deal from a trustworthy battery supplier.
Product code :000016. 1  Electronic dehumidifier designed to remove moisture from all type of hearing aids. 2  360Â° UV-C lamp â destroys 99% of microorganisms (bacteria, fungi, germs) 3  UV-C lamp runs during the first 5 minutes of the drying cycle.  Forced-air fan drying 1  system. 30 minute drying cycle (standard)