It's not really clear where that 3 months figure comes from. Do they have 6 people all saving 2 weeks? And if so do the share the device or is the cost scaling with employees? There's also another part:
> When taking inventory, they had 2 members of the staff counting pearls and it took 2 full days.
> When taking inventory, they had 2 members of the staff counting pearls and it took 2 full days.