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Important:

1. Don't include signs like $ or % in your answers.
2. Pay close attention to the rounding instructions. For example, if the question instructs you to "round to the nearest cent" or "round to two decimal places", and the answer you found is $12,678.04678, you need to submit 12678.05. Some questions may ask you to round to the nearest whole number or nearest dollar, in which case the answer would be 12678.

Tolerance: Be careful with rounding and do not round until you arrive at the final answer. Answer tolerance is 1 at the last digit based on the decimal place accuracy required by that question. For example, if a question asks you to round to the nearest cent (two decimal places) and the correct is $1,235.06, answers within 0.01 ($1,235.05 to $1,235.07) will count as correct. As another example, if a question asks you to round a percent answer to one decimal place and the correct answer is 4.6%, answers within 0.1% (4.5% to 4.7%) will count as correct.

In 2021, a standard 30-year fixed mortgage in the US could be had for somewhere around 3%. Following a series of interest rate increases by the Federal Reserve, that number is now above 7%. Suppose in 2021 you were interested in buying a house worth $414,000 by taking out a 30-year mortgage at 3% rate and 20% down payment. How much higher will your monthly mortgage payments be now for the same house at a 7% rate (same house price and percent down payment). Answer in whole dollars.

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