There are solutions in the system, but it is wrong, can you please give a long answer with explanation? can you do the solution manually? A=84 B= 5

3. Demand for an item is constant at A units a week, and the economic order quantity is calculated to be 120 units. What is the reorder level if lead time is constant at B weeks? What happens if the lead time (5p) (a) falls to B-2 weeks (5p) (b) rises to B+5 weeks? (5p) A: Refers to the 2* last two digits of your student number. If this value is less than 25, accept A=25. For example, if your student number is 202012512, A is equal to 2*12=24. And this value is less than 25, so A=25 for this question. B: Refers to the last digit of your student number. If this value is less than 5, accept B = 5. =