Identify the appropriate inventory model to obtain the optimal lot size for the given problem description:
A small grocery store sells fresh produce, which it obtains from a local farmer. During the strawberry season, demand for fresh strawberries can be reasonably approximated using a normal distribution with a mean of 40 quarts per day and a standard deviation of 6 quarts per day. The grocer purchases fresh strawberries daily from the local farmer for $1.5 per quart and sells them for $3.20 per quart. At the end of each business day, any remaining strawberries are sold to a producer of fresh juice for 50 cents.
a. None of the listed
c. Single Period
d. Fixed Order Interval