Boston Scientific discloses the following as part of its longterm debt footnote in its December 31, 2018 10K.

Borrowings and Credit AgreementsSemi-annualIn millions, exceptAs of December 31,Couponinterest ratesIssuance DateMaturity Date20182017RateJanuary 2020 NotesDecember 2009January 2020$850$8506.00%May 2020 NotesMay 2015May 20206006002.85%May 2022 NotesMay 2015May 20225005003.38%October 2023 NotesAugust 2013October 20234504504.13%May 2025 NotesMay 2015May 20257507503.85%March 2028 NotesFebruary 2018March 20281,0004.00%November 2035 NotesNovember 2005November 20353503507.00%January 2040 NotesDecember 2009January 20403003007.38%Unamortized debt insurance discount and deferredfinancing cost2020-2040(29)(24)Unamortized gain on fair value hedge202020252638Capital lease obligationVarious61Long-term debt$4,803$3,815

(1) Corporate credit rating improvements may result in a decrease in the adjusted interest rate on our November 2035 Notes to the extent that our lowest credit rating is above BBB or Baa3. The interest rates on our November 2035 notes will be permanently reinstated to the issuance rate if the lowest credit ratings assigned to these senior notes is either A- or A3 or higher.

Boston Scientific discloses its required principal debt repayments due during each of the next five years and thereafter.

In millions2019$2,24820201,5402021-20225002023450Thereafter2,400

Boston Scientific also discloses the following information.

Interest Expense The following table provides a summary of our Interest expense and average borrowing rate :

Year Ended December 31 (in millions)201820172016Interest expense$(241)$(229)$(233)Weighted average borrowing rate3.60%3.80%4.00%Cash paid for interest$(262)$(235)$(233)

The price of the Boston Scientific's bonds in February 2019 follows.

Moody's RatingMaturity dateCouponCurrent PriceCurrent Yield(02/21/2019)20284.00%109.352.80%Baa220234.13%101.572.41%Baa2

Required

a.What amount of Boston Scientific's longterm debt is due in 2019? $Answer million

b.What is the total amount of Boston Scientific's longterm debt at December 31, 2018, including the current maturities? $Answer million

c.The company's balance sheet reports shortterm debt including current maturities of $2,253 million and $1,801 million in 2018 and 2017, respectively. Compute the average effective interest rate on the company's total debt for fiscal 2018. Compare this to the average interest rate the company reports.

Note:Round percentage to one decimal place (for example, enter 6.7% for 6.6555%).

Computed average effective interest rateAnswerCompany's reported average interest rateAnswer