15:00 duration 15 minutes 0 seconds
Formal Observation 2
01:07 duration 1 minute 7 seconds
Lindberg_Elevator_Pitch
02:50 duration 2 minutes 50 seconds
15.1.1
09:52 duration 9 minutes 52 seconds
15.3
01:56 duration 1 minute 56 seconds
Ch 6 LO 3 Inventory Equation