$13-34$ In evaluating projects, LeadTech's engineers use a

A rate of $15\%.$ One year ago a robotic transfer machine

was installed at a cost of $$38,000.$ At the time,

a $10-$year life was estimated, but the machine has

had a downtime rate of $28\%,$ which is unacceptably

high. A $$12,000$ upgrade should fix the problem,

or a labor$-$intensive process costing $$3500$ in direct

labor per year can be substituted. The plant estimates

indirect plant expenses at $60\%$ of direct labor, and

it allocates front office overhead at $40\%$ of plant

expenses $($direct and indirect$).$ The robot has a value

in other uses of $$15,000.$ What is the difference

between the EUACs for upgrading and switching to

the labor$-$intensive process?

Please solve using excel spreadsheets and provide formulas