Two things. First, some context on current iteration. Second, context on how the bonuses would "merge" in the Conversion.
1) Current XP is not "doubled"
The "XP per Battle" is listed as +100% on the Kobayashi as opposed to the Standard having +50%. Please remember that these bonuses are Additive NOT Multiplicative.
The means you get 50% more of your Base XP turned into "Earned XP" which is then used for other stats. While yes, +100% is a "doubling" in terms of 100% -> 200%, other Signals and Flags would only additively stack. So a +50% Signal and another +100% from another source would total Additively to... 100% + 100% + 50% + 100% = 350%. Multiplicative stacking would be MUCH MORE. 100% x 2 x 1.5 x 2 = 600% for instance.
So, please don't be deceived into seeing the Kobayashi camo as being stronger than it is in terms of Stacking.
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2) Conversion "Merging"
In this case, the Kobayashi Camo is simply better in terms of Economic Bonuses than the Standard. In the "Conversion", the best bonus for each resource type is taken.
Standard
-10% Service Cost = +5% Credits
+50% XP = +50% XP
Kobayashi
-50% Service Cost = +25% Credits
+20% Credits = +20 Credits
+100% XP = +100% XP
The Credit bonuses on the Kobayashi should be added together to make +45% Credits
So the new "Perma-Economic Bonus" post conversion should be:
+45% Credits
+100% XP
This Perma-Economic Bonus" would apply to any and every Visual used on the ship. Including if you should not to use a Visual at all. It will simply always effect the ship's earnings.