Confidence votes 38. 1  Approximately two years.  How long is the average dissertation, actually depends on what academic level you are in, undergraduate, Masters or PhD doctoral level. It could be a year or two depending on the nature of you dissertation topic.
An interest rate is the rate at which interest is paid by borrowers (debtors) for the use of money that they borrow from lenders (creditors). Specifically, the interest rate is a percentage of principal paid a certain number of times per period for all periods during the total term of the loan or credit.
The interest (I) is the amount of money paid for the use of money. The rate (R) is the percent charged on the basis of one year's use of the money. The time (T) is the number of years, months and days over which the money is used.