The amount that the plumber will charge the client is $32.5
From the question, we are told that a plumber charges 1/4 of the cost of materials as a labor fee.
Given the following
Cost of material = $130
Amount charge per client = 1/4 of cost of material
Amount charge per client = 1/4 * 130
Amount charge per client = 130/4 = $32.5
Hence the amount that the plumber will charge the client is $32.5
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