Consider two assets with the following cash flow streams: Asset A generates $4 at t=1, $3 at t=2, and $12 at t=3. Asset B generates $2 at t=1, $X at t=2, and $12 at t=3.

Suppose the (one-period) interest rates are variable and given as follows: r01=0.1, r12=0.2, r23=0.3. Calculate the yield to maturity of asset A. (You can use Excel or a scientific calculator to find the solution numerically.)