New Zealand is considering a waste tax. What is the optimal tax rate? Select the best answer. Answer 2 Points Keyp Keyboard Short Rate: 20 % tax on value of wasted product O Total Benefit: 446 Total Cost: 352 Rate: 10 % tax on value of wasted product O Total Benefit: 33 Total Cost: 21 Rate: 25 % tax on value of wasted product O Total Benefit: 491 Total Cost: 455 Rate: 15 % tax on value of wasted product O Total Benefit: 300 Total Cost: 240