Successful differentiation enables firms to set prices at the industry average and gain market

When the value of a country's exports exceeds the value of its imports, the country has a(n) ________

A) industrial economy B) exchange control C) trade surplus D) trade deficit E) post-industrial economy

A patent cannot be acquired for an invention that has been in public use for more than one year

at the time of application. Indicate whether the statement is true or false