Leroy purchased an AI$-$based robotics system with the first cost of $$345,000,$ an AOC of $$148,000$ per year, a $$140,000$ salvage value, and an ESL of $3$ years. Rather than trading after $3$ years, he kept the system for a total of $5$ years. Due to the wear factor and expense of repairs, its AOC increased to $$280,000$ per year starting in year $4,$ plus the salvage value went to zero. At i $=10\%$ per year, what is the percentage increase in the AW of costs that Leroy experienced?

The percentage increase in the AW of costs that Leroy experienced is

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