$3\mathrm{.}16$ Suppose $v(t)=\frac{20}{20+t}.$ Assuming that future payments earn the forward rates of interest, calculate the value at time $2$ of the following stream of payments:

$\backslash$table$[[t,C_t($$$)$

THE ANSWER IS $$3,104\mathrm{.}04$ please show how to get this answer