25 Jos wanted to invest in the stock market, but didn't have the entire $10,000 he needed to buy the shares of the company he wanted. Jos does have $7,000, so he decided to borrow the remainder of the stock's purchase price from his broker in order to be able to buy the stock he wanted. Jos is O A. buying on margin. B. investing in junk bonds. O C. involved in debt diversification. O D. purchasing delayed remittance stock