$\backslash$table$[[$Activity$,$Days$],[$Quality Inspections,$5],[$Storage$,6],[$Assembly$,4],[$Handling$,2],[$Painting$,4],[$Packaging$,1]]$

Required:

a$.$ Which of the above activities are value$-$added?

b$.$ What is HydroLift's total cycle time?

c$.$ Determine HydroLift's manufacturing efficiency ratio.

d$-1.$ If HydroLift implements a total quality management program and a just$-$in$-$time inventory system, which of these activities could likely be eliminated?

d$-2.$ If HydroLift implements a total quality management program and a just$-$in$-$time inventory system, what would be the change in the company's manufacturing efficiency ratio?