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\caption{Profit under {\vphantom{q}}boundary equilibrium $\overline {q
+}{\vphantom{q}}_{{\mathrm{1}}}^{{\mathrm{BE}}}$. Region of {\it{A}}-s
+tability for TSRK methods with $s\equ {\mathrm{1}}$ and $\widetilde {
+p}\equ q\equ {\mathrm{2}}$.}