MGM Resorts International (MGM) owns and operates casinos including the MGM Grand and the Bellagio in Las Vegas, Nevada. For a recent year, the MGM Resorts International reported accounts and notes receivable of $712,263,000 and allowance for doubtful accounts of $128,348,000. International Business Machines (IBM) provides information technology services, including software, worldwide. For a recent year, IBM reported notes and accounts receivable of $6,972,000,000 and allowance for doubtful accounts of $218,000,000. a. Compute the percentage of the allowance for doubtful accounts to the accounts and notes receivable for MGM. Round your answer to one decimal place. % b. Compute the percentage of the allowance for doubtful accounts to the accounts receivable for IBM. Round your answer to one decimal place. % c. Which of the two companies would have a harder time determining the creditworthiness of its customers