Bobby borrowed money that must be repaid in nine payments. The first four payments of R$2000$ each are paid at the beginning of each year. Thereafter five payments of R$5000$ each are paid at the end of each year. If money is worth $6,85\%$ per year, then the present value of these payments equals

a$.$ R$22588,92.$

b$.$ R$23054,54.$

c$.$ R$27381,02.$

d$.$ R$33000,00.$