Q.3091 Jack and Morris Associates is the servicing agent of a large pool of commercial mortgages in the city of Copenhagen. Their MBS portfolio is composed of the following four different pools of mortgages:

• $26 million of superstore mortgages that have a maturity of 82 days;
• $67 million of office space mortgages that have a maturity of 169 days;
• $22 million of cinema mortgages that have a maturity of 253 days; and
• $17 million of restaurant mortgages that have a maturity of 336 days.

What is the weighted average maturity (WAM) of these mortgage pools?