 
 <prompt> Nancy ta samu alamar kudin yara daga mahaifi. Ya kamata ya yi 30% daga kudinshi kowace shekara. A shekara uku, ya samu $30,000 kowace shekara, kuma ya samu kwanciya na 20% a shekara uku da biyu. Idan ya bayar da hanya $1,200, ya kamata ya samu mahaifi ta hanyar cewa ya kamata ya bayar da ita? <response>: ```Duk da cika yadda aka samu peshe na farko 3 shekara ta hanyar duba kudi da aka samu daga kowane shekara: 3 shekara * $30,000/shekara = $90,000/
Bayan nan duba yadda peshe ya yi ta hanyar duba kudi da aka samu daga kudin: $30,000/shekara * 20% = $6,000/shekara
Bayan nan dauki kudin sabon peshe don samun kudin sabon peshe: $6,000/shekara + $30,000/shekara = $36,000/shekara
Bayan nan duba yadda ya samu ta hanyar sabon peshe ta hanyar duba kudi da aka samu daga kudin: 4 shekara * $36,000/shekara = $144,000
Juya peshe daga shekaru uku da shekaru hudu don samun peshe daban-daban: $144,000 + $90,000 = $234,000
Yi duba peshe daban-daban ta hanyar 30% don samun peshe da ya kamata ya bi: $234,000 * 30% = $70,200
Yi tsayawa peshe da aka bi daga wannan lambar don samun peshe da ya kamata: $70,200 - $1,200 = $69,000

Wani jami'in zai kasancewa 69000.``` 