In the short run, if price falls below a firm's minimum average total cost, the firm should shut down

In January 2015, Tim's Gyms, Inc owned machines valued at $1 million. During the year, the market value of the equipment fell by 30 percent. During 2015, Tim spent $200,000 on new machines. During 2015, Tim's net investment totaled

A) $1 million. B) -$300,000. C) $200,000. D) -$100,000.

In the United States since 1900, life expectancy at birth has ________ and the death rate has ________

A) decreased; increased B) increased; increased C) decreased; decreased D) increased; decreased