Breif exercise $6-3$

Oki Products, Ltd$.$ has observed the following processing costs at various levels of activity over the past $10$ months:

Required:

$1.$Prepare a scattergraph by plotting these data on graph.Plot cost on the certical axis and units produced on the horizontal axis.fit a line to your plotted points by visual inspection.

$2.$What is the approximate monthly fixed cost?The approximate variable cost per unit processed? show your computations.

$3.$Using the data in Brief exercises $6-3,$repeat rewuirement$(1)$using least squares regression $($using any spreadsheet software$).$Is units produced a reliable basis for estimating processing costs?