Isabel Fuentes sells art from her photography studio. She produces and sells 40 framed customized photos per day. Because of the incredible amount of work that goes into professionally doing the various aspects of the multi-stage process, on average she has 1,335 pieces of WIP inventory. How much days of supply does she have on average for her steady state process? Go to at least three decimal places for intermediate steps (so 12.1786 would be rounded as 12.179) and one decimal place for your final answer (so 12.1793 would be rounded as 12.2)