Supplementary general principles of law applicable.

Unless displaced by the particular provisions of this chapter, the principles of law and equity, including AS 45.01 — AS 45.08, AS 45.12, 45.14, and 45.29 (Uniform Commercial Code), the law merchant, and law relative to capacity to contract, agency, fraud, misrepresentation, duress, coercion, mistake, or bankruptcy shall supplement the provisions of this chapter.