Nikki owed the following obligations: a$.$ P$4108$ due in $3$ years and b$.$ P$7683$ due in six years with accumulated interest from today at $14\%$ converted quarterly. If she would want to replace these obligatios by a payment of P$5485$ on the second year and another payment at the end of $5\mathrm{.}5$ years, how much is the second payment if money is worth $15\%$ compounded semi annually? Draw the cashflow diagram. Answer in $2$ decimal values no need to input the $P$ sign.