Which of the following statements is true? O a. Takeovers always increase a firm's productivity. O b. Economists and financial analysts agree that mergers are good for the economy. Oc. Mergers in the first part of the twenty-first century will see an increase in debt financing. Od. Mergers in the first part of the twenty-first century will be driven by cash-rich companies looking to acquire businesses that will enhance their position in the marketplace. Oe. There will be fewer mergers that involve investors from other countries