NO.PZ2016031001000072
问题如下：
Matrix pricing allows investors to estimate market discount rates and prices for bonds:
选项：
A. with different coupon rates.
B. that are not actively traded.
C. with different credit quality.
解释：
B is correct.
For bonds not actively traded or not yet issued, matrix pricing is a price estimation process that uses market discount rates based on the quoted prices of similar bonds (similar times-to-maturity, coupon rates, and credit quality).
看不懂，求指导，这是哪个知识点呢
