Long-term borrowing costs took another turn lower this week, following a decline in 10-year Treasury yields.

Freddie Mac (OTC:FMCC) says the average rate on a 30-year, fixed-rate mortgage fell to 3.69 percent in the week ending March 26, down from 3.78 percent last week. A year ago, 30-year rates averaged 4.4 percent.

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