4.In some contexts (the analysis of financial leases, for example) depreciation tax shields are treated as safe, nominal cash flows and are discounted at an aftertax borrowing or lending rate.
5.They also carried automated laser cannon turrets programmed to attack inceptor starfighters, along with armor plating and advanced shields that defended against both turbolasers and ion cannons.
6.In the later system the front ranks locked shields and presented a hedge of thrusting spears whilst the rear ranks kept up a continual barrage of missiles over the heads of the front rankers.