Radford Supplies Limited expects a net income of Ghs $1,500,000.$ The company has $10\%$ of $500,000$ Debentures. The equity Capitalization rate of the company is $10\%.$

i$)$ Calculate the value of the firm and overall Capitalization rate according to the net income approach $($ignoring income tax$).$

ii$)$ If the debenture debt is increased to Ghs $950,000$ and interest of debt is change to $9\%.$

iii$)$ What is the value of the firm and overall Capitalization rate?