Please explain in great details. Don't skip intermediate steps. I am trying to really understand this. Thank you

6) Use mathematical induction or strong induction to prove that every integer amount of postage of six cents or more can be formed using 3-cent and 4-cent stamps. (a) Basic Step (multiple base cases if strong induction is used) (b) Inductive Step he inductive hypothesis (c) Write the proposition to be proved true P(k + 1) (d) Put all steps together to prove that P(n) is true for all n 2 6