If nicotine in cigarettes is highly addictive, why would it make economic sense for producers of cigarettes to offer free samples of their products to young adults?

Nicotine in cigarettes is in fact addictive. Producers of cigarettes offer free samples to young adults with the purpose of engaging them with the product. Directly it will increase dependence on the cigarettes which leads to higher sale levels for the producers and along with this, higher revenues.

month 1 start amount =$3287.90 interest=(3287.90x0.0145/12)3.97 total to pay=$3291.81 paid =$1200 balance =$2,091.87

month 2 starting amount= $2,091.87 interest =$25.28 total to pay =$2117.15 paid =$1200 balance $917.15

month 3 starting amount =$917.15 interest =$11.08 total to pay =$928.23 paid =$928.23 balance =$0 total to pay 1200+1200+928.23 = $3328.23 it will take 3 months to pay a total of $3328.23

answer; sensory adaptation;