Compute the Riemann-Stieltjes integral

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I'm fairly sure I have solved it correctly, but certainty in these matters is most appreciated. $\int_{-1}^{1} e^{x}d(4g(x)),$ where $g(x)=-1_{[-1,0]}(x) + 3\cdot_{(0,1]}(x) = [e^{0}][4 \cdot 3 - 4 \cdot (-1)]=16$