Solve the below given cases:
a. Calculate the Operating Cycle of Western Food Limited for the below given information

Raw Material holding period (days) 30
WIP days 45
Finished good days 20
Debtor days 60
Creditor days 30

b. You won a lottery of Rs. 150000 from Dus ka dum and you have deposited the amount
in bank and which is going to redeemed in 10 years, interest rate: 12%, find out what
amount you will be receiving after 10 years.