you discover a 6-ounce gold nugget. A friend offers to pay you $2500 for it. how do you check whether this is a fair price

A precision lathe costs $13,400 and will cost $21,500 a year to operate and maintain. If the discount rate is 13% and the lathe will last for 4 years, what is the equivalent annual cost of the tool? (Enter your answer as positive value. Round your answer to the nearest cent The equivalent annual cost