Suppose that the current $1-$year, $2-$year, and $3-$year interest rates are: $0$i$1=4\%,0$i$2=5\%,0$i$3=6\%.$ Then according to

the expectations theory, the $1-$year interest rate two years from now is expected to be

a$.5\%$

b$.6\%$

c$.8\%$

d$.10\%$