question archive Eleven years ago, a guitar cost $1,800

Eleven years ago, a guitar cost $1,800

Subject:FinancePrice:2.87 Bought7

Eleven years ago, a guitar cost $1,800. Today, that same guitar costs $3,650. What has been the inflation rate on this instrument?

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Answer:

FV = PV (1+R)n

$3650 = $1800 (1+R)^11

R = (3650/1800)^1/11 - 1

R= 1.066377-1

R= 0.0664 or 6.64%