A company buys an asset for $600,000.$ It has annual running costs of $25,000$ and generates revenue of $100,000.$ It is being depreciated at a rate of $50,000$ per year. How long does the project take to payback.

Question $4$Select one:

a$.$

$8$ years

b$.$

$24$ years

c$.$

$6$ years

d$.$

$2\mathrm{.}4$ years