Hyundai recently unveiled new car battery technology that will allow travel of up to 500km on a single charge, and a full charge only takes 45 minutes. Tesla, amazed by the new technology, purchased 40% of Hyundai's outstanding shares. Hyundai has granted Tesla the ability to appoint 3 board members (out of the 5 seats). Tesla will also begin purchasing all of their car batteries from Hyundai going forward, which will be significant. Select the best accounting method to use for this investment. Equity Method Proportionate consolidation FVTOCI Amortized Cost FVTPL Consolidation