$($b$)$ Robert is assessing two machines for his business. The fully automated machine will

cost $330,000$ to install and will become obsolete after $6$ years. The semi$-$automated

machine is more expensive at $410,000$ but will remain operational for $11$ years. The

benefits of both systems can be considered evenly spread during their lifetimes. Robert

intends to use own funds, currently deposited at $5\mathrm{.}5\%$ per annum. Which machine is

preferable?After solving for NPV$,$ you have to make a conclusion based PMT and PVAF