Plummer industries purchased a machine for $43,800 and is depreciating it with the straight-line method over a life of 8 years, using a residual value of $3,000. at the beginning of the sixth year, an extraordinary repair was made costing $7,500, the estimated useful life was extended to 15 years, and no change was made to the estimated residual value. calculate depreciation expense for year 6.

The interaction of individual choices because a type of fish is on the verge of extinction, the government imposes rules that prohibit fishing in the publicly owned spawning grounds. at first owners of fshing bouts complain about this restriction on where they can fish, but soon they notice that the number of adult fish swimming outside the protected area is much higher than it was before. with the restriction, each fishing boat ends up catching more fish than it did before the r which of the following principles of economic interaction best describes this scenario? o there is a tradeoff between equality and efficiency o markets usually lead to efficiency. o when markets do not achieve efficiency,government intervention can improve overall welfare o markets allocate goodseffectively