An investment fund has $$7,500$ in it today and is receiving contributions of $$795$ at the beginning of every quarter. If the fund can earn $3\mathrm{.}8\%$ compounded semi$-$annually for the first one$-$and$-$a$-$half years, followed by $4\mathrm{.}35\%$ compounded monthly for another one$-$and$-$three$-$quarter years, what will be the maturity value of the fund?