Kugoh Ltd$.$ is considering whether or not to purchase a new machinery on $1$ January $2025.$ Additional information: $1.$ The machinery will cost SCR$.\backslash (4,000,000\backslash )$ and it would have a useful life of four years, after which it would be sold for SCR$.500,000.2.$ The machinery would attract tax allowable depreciation at the rate of $\backslash (25\backslash \%\backslash )$ per annum on a reducing balance basis which could be claimed against taxable profits of the current year. $3.$ A balancing allowance or charge would arise on disposal. The tax rate is $\backslash (30\backslash \%\backslash )$ per annum. Half of the tax is payable in the current year and the balance the following year in arrears. $4.$ The machinery would create annual cost savings of SCR$.1,400,000.5.$ The after$-$tax cost of capital of Kugoh Ltd$.$ is $\backslash (8\backslash \%\backslash ).6.$ Depreciation is first claimed against year zero profits. Required: i$)$ Discuss FIVE applications of cost of capital to a firm. $(10$ marks$)$ ii$)$ Compute the annual after$-$tax cash flows associated with purchasing the machinery. $(5$ marks$)$ iii$)$ Compute the net present value $($NPV$)$ of purchasing the machinery.