MCQOPTIONS
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				| 1. | 
                                    The proportion of a sum of money that is paid over a specified time period in payment for its loan is called: | 
                            
| A. | Rate of interest | 
| B. | Rate of substitution | 
| C. | Rate of return | 
| D. | None of the above | 
| Answer» B. Rate of substitution | |