Compound interest: word problems

Note: Please make sure to properly format your answers. All dollar figures in the answers need to include the dollar sign and any amount over 11,000000 should include the comma ( $2,354.67) \$ 2,354.67) . All percentage values in the answers need to include a percentage sign (\%). For all items without specific rounding instructions, round your answers to two decimal places, show both decimal places (55.0606).\newlineRob bought a 19651965 Fender Jazzmaster vintage electric guitar in 19801980 for a price of $150 \$ 150 . In 20172017 it was appraised for $4,500 \$ 4,500 . You are going to compare this appraised value to what the $150 \$ 150 would have earned if it was deposited in a certificate of deposit for those 3737 years. Interest on all of Rob's CDs is compounded continuously.\newlinea. If the account paid 12.3% 12.3 \% interest for the first 77 years, what would the balance be after the first 77 years? Round to the nearest cent. \square \newlineb. If the account paid 6% 6 \% interest for the next 1010 years, what would the balance be after the first 1717 years? Round to the nearest cent. \square \newlinec. If the account paid 4.1% 4.1 \% interest for remaining 2020 years, what would the balance be after the 3737 years? Round to the nearest cent. \square \newlined. What is the difference between the appraised value of the guitar and the amount the original $150 \$ 150 would have earned in the bank? \square
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