can you please provide step by step calculations on how do we obtain these answers using BA II plus financial calculator?

pon lake Bond isy semi annual, la v lo years to mounty Por con PUTLOCO X Y GO a dis pu - 5421 Corpo premium puz AA llay.ba Disioon facic yy sce st9 premium yyace as years 1000 par is years to mawrity 8 c/R. PV = 1085 yy = 7-06 premium. Sold- called after 5 years at 104o. 119 6.63 put in 3 years for 990. yy = = 4.56 YTH = 5687 xa = 11.360. So semianna put = 10 y. x1000 pu = 920 w = 10 x2 = 20 fu E lood PMT SO pu - qot. (6x 2 fv = teus 1000 20 S68 x 2 . - S = 6 ev 9 - Sx 2 =\ = | S-66 ka 22 = 8 looo pg = 420 = So ( 6 : 3 or x 2 = a .6. pon lake Bond isy semi annual, la v lo years to mounty Por con PUTLOCO X Y GO a dis pu - 5421 Corpo premium puz AA llay.ba Disioon facic yy sce st9 premium yyace as years 1000 par is years to mawrity 8 c/R. PV = 1085 yy = 7-06 premium. Sold- called after 5 years at 104o. 119 6.63 put in 3 years for 990. yy = = 4.56 YTH = 5687 xa = 11.360. So semianna put = 10 y. x1000 pu = 920 w = 10 x2 = 20 fu E lood PMT SO pu - qot. (6x 2 fv = teus 1000 20 S68 x 2 . - S = 6 ev 9 - Sx 2 =\ = | S-66 ka 22 = 8 looo pg = 420 = So ( 6 : 3 or x 2 = a .6