Help needed please!

Please show your work on excel and use the template photo on second image.

Question $2$

$70$ pts

Dr$.$ Nefario is building a new weapon for Gru. The required investment is $$15,000,$ and the annual operating and maintenance costs and salvage values are given in the table below for each year of the weapon's service.

The entire cost of $$15,000$ can be depreciated for tax purposes according to a five$-$year MACRS property class.

The marginal tax rate is $40\%.$

The after$-$tax MARR is $12\%.$

$\backslash$table$[[$Year of Service,O

Question $2$

$70$ pts

Dr$.$ Nefario is building a new weapon for Gru. The required investment is $$15,000,$ and the annual operating and maintenance costs and salvage values are given in the table below for each year of the weapon's service.

The entire cost of $$15,000$ can be depreciated for tax purposes according to a five$-$year MACRS property class.

The marginal tax rate is $40\%.$

The after$-$tax MARR is $12\%.$

$\backslash$table$[[$Year of Service,O