A Non-stationary Model of Dividend Distribution in a Stochastic Interest-Rate Setting. COMPUTATIONAL ECONOMICS, (47)3:447-472, SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, March 2016. [PUMA: Finite methods control; for Numerical differential method} Singular equations; distribution; stochastic element {Dividend partial]