Which type of research typically involves statistically analyzing data in order to provide descriptive results to explicitly test a hypothesis?

At a base sales level of $400,000, a firm has a degree of operating leverage of 2 and a degree of financial leverage of 1.5. The firm's degree of total leverage is ________

A) 3.5 B) 3.0 C) 0.5 D) 1.3

Country X wants to eliminate its balance of trade deficit while simultaneously keeping prices low for imported essentials. Which of the following methods would most likely achieve these dual objectives?

A) devaluing its currency B) enacting selective import restrictions C) using tight monetary policies to deflate price levels D) spurring productivity increases through general tax breaks for industry