Rate on 30-year fixed mortgage rises to 4.74 pct.

NEW YORK (AP) — Rates on the 30-year fixed mortgages rose slightly this week, following increases in Treasury yields.

Freddie Mac says the average rate rose to 4.74 percent this week from 4.71 percent the previous week. It hit a 40-year low of 4.17 percent in November.

The average rate on the 15-year loan slipped to 4.05 percent from 4.08 …