Finance Formulas / July 13, 2018 / Luz Tyson
When you make a down payment on a purchase and use a loan to pay for the remainder, you instantly reduce the amount of interest you pay over the lifetime of the loan. For example, if you borrow $100,000 on a loan with a 5% interest rate, you owe $5,000 in interest in the first year of the loan alone. However, if you have a $20,000 down payment, you only need to borrow $80,000. As a result, during the first year, your interest is only $4,000, saving you $1,000 in the first year alone. Thus, it pays to have a sizable down payment on your mortgage as it will save you thousands of dollars in interest over the lifetime of the loan.
In contrast, implicit costs are the opportunity costs of factors of production that a producer already owns. The implicit cost is what the firm must give up in order to use its resources; in other words, an implicit cost is any cost that results from using an asset instead of renting, selling, or lending it. For example, a paper production firm may own a grove of trees. The implicit cost of that natural resource is the potential market price the firm could receive if it sold it as lumber instead of using it for paper production.
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