Johnson's Garden Centre has recently been unprofitable and concludes that it cannot make two debt payments of $$4,500$ due today and another $$6,300$ due in three months. After discussions between Johnson's Garden Centre and its creditor, the two parties agree that both payments could be made nine months from today, with interest at $8\mathrm{.}5\%$ compounded monthly. What total payment does Johnson's Garden Centre need nine months from now to clear its debt?