Julie works at Gentry Flower Shoppe, which operates at the 4 sigma level, with about 6,000 DPMO, which was determined recently. At that time, Gentry was found to have 1500 total defects. They want to improve to the 5 sigma level, or about 500 DPMO. Assuming nothing else changes, what would their new total defect level have to be?
Please clearly show your calculations in either MS Excel or Word file. You may also submit your handwritten paper after you scan and save it in a PDF format. No points will be given for those who do not show each step of the calculations.