Problem
Financial data in a company consists of Sales of Rp. 5 billion, COGS of Rp. 2 billion, Operating & Managerial expenses of Rp. 1 billion, Interest expenses of Rp. 80 million, Operating Assets outside Marketable Securities of Rp. 12 billion (40% of which are operating current assets) , Marketable Securities of Rp. 3 billion, and Operating Liabilities of Rp. 6 billion (30% of which are operating current liabilities). The book value of the equity is IDR 4 billion The company operates in a country with a corporate income tax rate of 12%. From information on Bloomberg, it is known that the market return of the capital market in the country is 7%, while this company has a beta of 1.5 and a credit rating of BBB. The country has bonds with a yield of 5% which is used as a risk free rate. Meanwhile, it is known that the yield on bonds of a company with assets of Rp. 15 billion is 6% and the yield on bonds of a company with a BBB rating is 6.5%.
Task: How to calculate and the result of WACC?