Answer:
It will have available for new customers 4 units
Step-by-step explanation:
available at hand: 43
booked orders during this two period: (39) (22 1stperiod + 17 2nd period)
available to new customers: 4
For new customer the company has available 4 units.
In period 3 the quantity will increase by 80 leaving an inventory available for 83 units.