1)Yur sistr is just nggd tdy nd sh is ging t b mrrid xtly 2 yrs frm tdy. Yur sistr nd hr fin wuld lik t py fr thir wdding thmslvs nd d nt pt ny mny frm yur nd th grms prnts. Thrfr, yur prnts didd t surpris thm with gift f wk-lng hnymn in th ribbn. Yur prnts tlkd t trvl gnt nd lrnd tht hnymn trvl pkg t th ribbn 2 yrs frm tdy will st $20,000 xluding th irfr. Hwvr, if yur prnts n py 6 mnths bfr th trvl tim, thy will gt 5% disunt n this pri. Thy ls tlkd t th irlin mpny nd lrnd tht tw tikts t th ribbn 2 yrs frm tdy will st $3,000. Hwvr, if thy n buy th tikts 9 mnths bfr th trvl tim, thy hv t py just $2,700. Yur prnts wuld lik t sv nugh mny t buy th irlin tikts fr th upl 9 mnths bfr th trvl tim t qulify fr th disunt pri nd py fr th hnymn pkg 6 mnths bfr th trvl tim s tht thy n qulify fr 5% disunt. Yur prnts bnk is running spil fr hnymn unts nd pys 9% intrst rt with mnthly mpunding n ths unts fr th nxt tw yrs. Yur prnts st up hnymn unt.

a) ftr rful lultins, yur prnts dtrmin tht thy n dpsit $1,750 vry tw mnths strting tdy nd ntinuing until th dy f th pymnt fr th hnymn pkg. Dtrmin if yur prnts will hv nugh mny umultd in thir bnk unt t purhs this hnymn pkg (6 mnths bfr thir wdding) nd th irlin tikts (9 mnths bfr thir wdding) fr yur sistr nd hr fin s thy riginlly plnnd. If nt, lult th dpsits yur prnts hv t mk int th hnymn unt vry tw mnths t hiv this gl.

b) Supps yur prnts purhsd th irlin tikt 9 mnths bfr yur sistrs wdding. Mrvr, tdy (six mnths bfr th wdding), thy pid fr th hnymn pkg f yur sistr nd hr fin. ftr sing th pwr f svings, thy didd t strt sving fr thir rtirmnt. Thy bth hv stt-spnsrd rtirmnt plns. h will b pid $1,200 t th bginning f vry mnth during thir rtirmnt frm ths stt-spnsrd plns s lng s thy liv. Thy wuld lik t hv mnthly inm f $6,000 in dditin t th mny thy will gt frm thir stt-spnsrd rtirmnt plns during thir rtirmnt. Thy ls wuld lik t riv this $6,000 dditinl inm t th bginning f vry mnth during thir rtirmnt. Thy hp t liv fr 20 mr yrs ftr rtirmnt. Thy will gt th first mnthly inm frm this unt n th dy thy rtir nd th lst inm n mnth bfr thir 20th rtirmnt nnivrsry. Thy pln t wrk fr 16 mr yrs nd thn rtir. T hiv thir rtirmnt gl, yur prnts pn up rtirmnt unt in thir bnk. Thir bnk pys 7.5% intrst rt pr yr with mnthly mpunding n rtirmnt unts until th unt wnrs di. Dtrmin th munt f mny yur prnts nd t umult in thir unt by th tim f thir rtirmnt t hiv thir rtirmnt gl.

c) Yur prnts didd t mk qurtrly dpsits int thir rtirmnt unt strting tdy. Thir lst dpsit int th unt will b n thir rtirmnt dy. Dtrmin th qurtrly dpsits yur prnts hv t mk int thir rtirmnt unt.

d) With yur sistr mving ut nd yu hving shlrship vring ll f yur llg xpnss, yur prnts didd tht thy n dpsit $7,200 vry qurtr int thir rtirmnt unt. ny mny tht thy nnt us during thir rtirmnt prid will b dividd qully btwn yu nd yur sistr. Dtrmin th munt f mny h f yu will gt frm yur prnts whn thy di. With yur sistr mving ut nd yu hving shlrship vring ll f yur llg xpnss, yur prnts didd tht thy n dpsit $7,200 vry qurtr int thir rtirmnt unt. ny mny tht thy nnt us during thir rtirmnt prid will b dividd qully btwn yu nd yur sistr. Dtrmin th munt f mny h f yu will gt frm yur prnts whn thy di.