813 P.2d 619 FARM CREDIT BANK OF SPOKANE, Appellant, v. TERRY A. TUCKER, ET AL, Respondents. No. 10604-7-III.The Court of Appeals of Washington, Division Three. August 1, 1991. [1] Interest — Contractual Right — Equitable Grounds — Effect. A court may not rely on equitable grounds to disallow interest provided for in a contract. [2] […]