Consumer Digest recently reported that car batteries X, Y, and Z have average service lives of three, four, and six years, respectively. Grace found that the best retail prices for these batteries in her town are $95, $120, and $165. If money is worth 7% compounded annually, which battery has the lowest equivalent annual cost?

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The Answer of Consumer Digest recently reported that car batteries X, Y, and Z have average service lives of three, four, and six years, respectively. Grace found that the best retail prices for these batteries in her town are $95, $120, and $165. If money is worth 7% compounded annually, which battery has the lowest equivalent annual cost?

Consumer Digest Recently Reported That Car Batteries X, Y, and Z