Mondi plc is a multinational packaging and paper company with a dual listing on the JSE and LSE. The business is also a constituent of the FTSE $100$ Index. The business has a capital structure of $12000000$ R$1$ ordinary shares, market price R$1,75.$ Its preference shares are $200000015\%$ R$1,50$ preference shares, market price R$3.$ Reserves R$4500000.$ It has received a bank loan from FNB Bank of R$1500000012,5\%.$ Debentures $6000000$ at par value $10,5\%$ market price R$115($issued at R$100).$

In order to equalise the tax effect, the debenture and bank loan interest weighting is reduced by multiplying it by $1$ minus given corporate tax rate $(27\%).$

The current and expected future rate of ordinary share dividends is $10\%.$

a$)$ Calculate the overall market value $(4)$

b$)$ Calculate the overall cost $(7)$

c$)$ Calculate the WACC $(9)$