a Calculate the WACC based on historic market value wei - hts. Wei_ht Cost Wei_ ted cost Long term 7.20% Preference share 9.10 13.50% caIitai Ordinary share 0.65 16.00% 19.40% ca I ital WACC 13.55% b Calculate the WACC based on tar_et market value wei ts. Wei_ t Cost Wei_ ted cost 9-30 7.20% 1.80% 9.15 13.50% 1.35% ca I ital 9.55 16.00% 10.49% ca I ital WACC 13.55% It's over all objective is to reduce its weighted average cost. (c) Compare the answers obtained in parts (a) and (b). Explain the differences.\