Yeah, snakeye, get busy and develop one for remote mining that factors in building costs of the ship, maintenance cost of the ship, supplies (if applicable), and the minimum percentage an asteroid belt has to be before there is any mining advantage/gain.
__________________ ALLIANCE, n. In international politics, the union of two thieves who have their hands so deeply inserted in each other's pocket that they cannot separately plunder a third. (Ambrose Bierce)