Interpreting the Accounts Receivable NoteHP Inc. reports the following in a recent $10-$K$.$$ millionsCurrent YearPrior YearTwo Years PriorAccounts receivable, net$$5,113$$$4,414$$$4,114$Revenue$58,47252,05648,238$Notes to the companys $10-$K provide the following additional information relating to its allowance for doubtful accounts.For Fiscal Years Ended October $31($$ millions$)$Current YearPrior YearTwo Years PriorAllowance for doubtful accounts $-$ accounts receivableBalance, beginning of period$$101$$$107$$$80$Provision for doubtful accounts$573065$Deductions, net of recoveries$(29)(36)(38)$Balance$,$ end of period$$129$$$101$$$107$a$.$ What is the gross amount of accounts receivables for HP in the current and two prior years?$ millionsCurrent YearPrior YearTwo Years PriorAccounts receivable, grossb. What is the percentage of the allowance for doubtful accounts to gross accounts receivable the current and two prior years?Note: Do not use a negative sign.$ millionsNumeratorDenominator$\%$ of Allowance for Doubtful Accounts to Gross Accounts ReceivableCurrent Year:Prior Year:Two Years Prior:c$.$ What amount of bad debts expense did HP report each year? Compute the ratio of bad debts expense to the accounts receivable actually written off.Note: Do not use a negative sign.$ millionsBad Debt ExpenseCurrent Year:Prior Year:Two Years Prior: