What is the shift capacity of a machine with the following characteristics? ---Part processing time = 70 seconds ---cutting tool has to be replace every 35 pieces and it takes 30 seconds to replace the tool ---The machine can operate 27,000 seconds per shift ---Formula: operational time per shift/(process time + set-up time/interval)

which one is correct from below :

381.04 pcs

385.71 pcs

379.39 pcs

270.00 pcs