1. Variable costs (from the accountants viewpoint); a) are graphed by means of a curvilinear line

b) remain constant in a total relevant range,

c) are constant in a per unit basis through the relevant range,

d) are commonly divided into committed and discretionary classifications​

Aslam wants to create multiple worksheet containing common formatting styles for his team members. which file extension him to save these worksheets? [templates,workbooks,files] aslam to create multiple worksheets with common styles. he needs to save them with the [xlsb,xlts,xls,xlsm] extension.