Dieter owes Paul R$3000$ due $10$ months from now, and R$25000$ due $32$ months from now. Dieter asks Paul if he can discharge his obligations by two equal payments: one now and the other one $28$ months from now. Paul agrees on condition that a $14,75\%$ interest rate, compounded every two months, is applicable. The amount that Dieter will pay Paul $28$ months from now is approximately

a$.$ R$1455.$

b$.$ R$11511.$

C$.$ R$1907.$

d$.$ R$14000.$