For each of the following costs, identify whether it is a Fixed, Variable or Both

Midt&Tn X C ezto.mheducation.com/hm.tpx For each of the folowing costs, dentify whether is a Fixed, Wriable or Both: wages of assemby-lrne workers Deprec iationplant equipment Glue and thread LShipping costs materials handling costs Salary of public relatms manager : Production run setup costs Plant utilities Electricity cost ot retail stores Research and development expense