cost of mail (7)
I believe the answer is:
postage
(Other definitions for postage that I've seen before include "Amount paid to mail" , "Cost to send a mail item" , "It could be first-class" , "Mailing cost" , "Delivery cost" .)
I believe the answer is:
postage
(Other definitions for postage that I've seen before include "Amount paid to mail" , "Cost to send a mail item" , "It could be first-class" , "Mailing cost" , "Delivery cost" .)