company's managers should almost always give serious consideration to making significant adjustments in its camera$/$drone strategies and competitive approaches whenA piece of production equipment is typically used for $8$ hours, after which it must be disassembled and lubricated. The disassembly and lubrication process takes $2$ hours. The machine's availability is

A$.8$ hours

B$.10$ hours

C$.25\%$

D$.80\%$