Which statement is true?a) The carrying amount of the bonds will increase each year if the bonds were issued at a discount.b) The carrying amount of the bonds will increase each year if the bonds were issued at a premium.c) Total interest expense will increase each year if the bonds are issued at a discount and the straight-line method of amortization is used.d) Total interest expense will increase each year if the bonds are issued at a premium and the effective-interest method of amortization is used.