Please answer this, thank you

PT Industri Jamu dan Farmasi Sido Muncul tbk (SIDO)'s CEO, Irwan Hidayat, said that he intends to enter the pharmaceuticals market in Malaysia. He believed that one of SIDO's best product which is Tolak Angin, will be well received by Malaysian consumers. However, before making a penetration to Malaysia market, Mr Hidayat have asked the market research team to investigate the supply and demand condition. According to SIDO's market research team, the equations bellow are the demand and supply function of Tolak Angin in Malaysia market QD. = 82 -8Px and Qs, = -2 + 20Px a. If you are part of the team, what price would you expect for Malaysian consumer to pay for Tolak Angin. (the price is in MYR, Malaysian Ringgit) b. How much the quantity of Tolak angin that they should produce (in thousands) c. If Malaysian Government decided to imposes excise tax MYR 0.25) to Tolak Angin (supply functions shift to the left) , calculate the new equilibrium price and quantity d. Calculate SIDO's Total Revenue, based on new equilibrium (with tax)