Erin knew that the only way she could get some intuition was to sit down and run some numbers.

Should she standardise the bottle size? What impact would this have on her order quantities and

ordering frequency? Would a standardised bottle size allow her to avoid having to purchase

another filling machine? Would the benefit of being able to avoid the filling machine offset the fact

that she had to store more product? She was certain that she did not want to reduce her targeted

service level. Moreover, though she had initial doubts on quality, the bulk supplier had reassured

her that their bottles and boxes met the exact same standards for quality as the small supplier she

had been using for her trials. Ultimately, she had some tough decisions to make, but she at least

felt confident that she could generate some good intuition once she sat down to crunch some

numbers!

What should Erin do$?$