Consider the example below with the 5 periods.In period 1 on hand inventory was 75 and demand was 50. In period 2 on hand inventory was 60 and demand was 80 etc. Fill in the table below and answer the questions.

period on-hand inventory demand In stock(yes/no) sales

1 75 50

2 60 80

3 90 120

4 45 90

5 30 20

a)Calculate in stock rate?

b)Calculate stock out rate?

c)Calculate fill rate?