A recent opinion column argued that instead of debating how to expand Medicare coverage, politicians should focus on fixing the fatal flaws in the existing program. In particular, the aging of the US population because of declining birth rates, a large number of baby boomers retiring soon, and a relatively lower number of younger workers to sustain the program, are fatal flaws of the program. Why are the trends above considered fatal flaws? See John F. Early, "Modest Cuts Could Save Medicare from Disaster" Wall Street Journal, June 10, 2019. Group of answer choices population aging results in greater Medicare expenses, which cannot be sustained at current rates of personal and corporate income taxes. the government has been redirecting payroll revenues intended to pay for Medicare for alternative uses, including defense spending and the payroll protection program. population aging means there will be fewer workers per beneficiary and insufficient revenues at current tax rates to cover the rising costs. there is a lack of attention being paid to how the benefits are distributed, resulting in increasing fraud