Kobe has $$86,858\mathrm{.}96$ and wants to buy a T$-$bill with a face value of $$90,000\mathrm{.}00$ that matures on $2020-07-03.$ The annual simple interest rate is $8\mathrm{.}000\%$ and the daycount convention is ACT $/360.$ What is the last day on which he can still buy the T$-$bill?