Shawn, a Revenue Manager of 500-room Hotel CUHK, would like to compare two approaches (single vs. three-price) of hotel room pricing. ADR RexPAR GOPPAR Room Sold 200 Room Revenue Pricing Price Level Strategy Single HK$4,000 Price Three Low - HK$2000 Price Regular - HK$4,000 High - HK$5,000 (Total) % change between the two approaches (use Single-Price Approach as the base) 100 100 | 100 300 a) Assume management controllable expense is HK$150 per room and non-rooms operating revenue is HK$500 per room. Calculate room revenue, ADR, RevRAR and GOPPAR and discuss which pricing approach would be a better choice for Shawn to maximize revenue. Round your answers to two decimal places for revenue, ADR, RevRAR (e.g., 12.34) and GOPPR and four decimal places for percentage changes (e.g., 12.34%)