The purpose of this paper is to explore a discrete-time cash flow optimization problem of the insurance company with time value of ruin under different interest rates. For the sake of considering the time value of ruin. we assume that the shareholders can get subsidies per unit time. as long as the insurance company is not bankrupt. https://banyysmilbzo.theisblog.com/35130784/mitigation-of-salinity-stress-in-canola-plants-by-sodium-nitroprusside-application