Buying stock on "margin" can best be described as A: paying for 100% of the stock your purchase upfront.
B: paying 50% of the stock's value up front and paying the other 50% over a two year period.
C: paying 10% of the stock's value upfront and taking a loan from a bank to pay for the other 90%.
D: paying for 90% of the stock's value and taking a loan from a bank for the other 10%.

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.