plz help

Grace Jones was just hired as at accountng intern at your company. Cen you assist Grace and identily which of the folcowing is an assumption undertving thandard CVP andivas? Nutiple Chaice The arice of a product or semice it rupected to chotge a vibirte changes. Fiedi emaentes whe change as volume increbses. In mutrproduct companies, the sales mix is cantant In menufacturing comsanies, iventories obvays change