Chef And The Polynomial

The Chef is fond of polynomials so he decides to fix the rate of the food items in the form of a polynomial equation for his hotel. He decides to put the rate of the items in the form of coefficients of the polynomial where, if the rate of tea is "a1" and rate of sandwich is "a2” and so on, then the rate list will be in the form of a0 *x^0+ a1 *x^1.......aN-1 *x^(N-1). But his competitor Ciel co