e$.$ $$31,717$

$23.$ ABC Inc., would like to maintain their cash account at a minimum level of $$245,000,$ but expect the standard deviation in net daily cash flows to be $$12,000,$ the effective annual rate on marketable securities to be $3\mathrm{.}7$ percent per year, and the trading cost per sale or purchase of marketable securities to be $$27\mathrm{.}50$ per transaction. What will be their optimal upper cash limit$?$ Assume $365-$day year. Carry your calculations to at least $7^{th}$ place after the decimal point. Use MillerOrr model.

a$.$ $$330,245\mathrm{.}60$

b$.$ $$335,426\mathrm{.}50$

c$.$ $$338,046\mathrm{.}71$

d$.$ $$340,220\mathrm{.}80$

e$.$ $$341,650\mathrm{.}40$

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