# Prompt Title: Loan Interest Rate PYG

Created 3 months ago
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Prompt Detail:

In this scenario, you're trying to find out the annual interest rate for the loan you are taking from the seller to purchase a house.

First, we need to find out the total amount of the loan, which would be the cost of the house minus the down payment. So:

360 million PYG - 105 million PYG = 255 million PYG

This is the amount you'll have to pay back over 8 years, at a rate of 4 million PYG per month.

The total amount you will repay over 8 years is:

4 million PYG/month * 12 months/year * 8 years = 384 million PYG

Now we have a loan of 255 million PYG that becomes 384 million PYG after 8 years. To find the yearly interest rate, we need to set up an equation and solve it. But remember, it's a bit complex because this is an amortizing loan, not simple interest.

The formula for an amortizing loan payment is:

P = [r*PV] / [1 - (1 + r)^-n]

where:

P = periodic payment = 4 million PYG PV = present value = 255 million PYG r = periodic interest rate n = number of periods = 8 years * 12 months/year = 96 months

Substituting the values we know:

4 = [r * 255] / [1 - (1 + r)^-96]

We have to solve this equation for r, which is quite challenging without numerical methods. This is typically done using software, online calculators, or spreadsheets with built-in functions that can handle such calculations.

To make it more manageable, I would suggest using a financial calculator or a software tool to calculate it. These tools are designed to handle such calculations and can provide the answer quickly and accurately.

Please note that the periodic interest rate r should be multiplied by 12 to get the annual rate. ##### Kenny
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Created 3 months ago