If you determine that the maximum maturity for your bond portfolio will be 4 years and you allocate 25 percent of your portfolio to one-year bonds, 25 percent of your portfolio to two-year bonds, 25 percent of your portfolio to three-year bonds and 25 percent of your portfolio to four-year bonds, you are practicing:

(a) bond spreading.

(b) maturity matching.

(c) laddering.

(d) timing.