I believe there is a bug, in that every establishment, with the exception of lemonade stands, costs in the quintillions of dollars around the 300 mark. This causes many of the lower tier businesses to cost more than the oil companies at this point in the game.
Quick shot - basic attack
Aim hull - increased damage to target health
Aim sail - larger decrease in targets AP
Aim Crew - increases chances of successful boarding
Boarding - Chance to incapacitate target
I like how the player is able to take advantage of these selective attacks to form an element of strategy in the combat system