Use the Data Given Below to Answer the Following Question(s)

Multiple Choice

Use the data given below to answer the following question(s) .
Ball Inc.specializes in producing disinfectants.In developing a new disinfectant,company scientists have specified that the mixture must contain at least 26% hydrogen,at least 30% oxygen,and no more than 28% water.The percentages of each of these constituents in two types of ingredients that can be used to produce the disinfectant are given in the table,along with the wholesale cost per pound.
Let X₁ and X₂ denote DDT and solid carbon dioxide,respectively.
-The objective of the data given above is to determine the appropriate amount of ingredients to include in one pound of mix.This leads to the constraint ________.

A) X₁ + X₂ = 1
B) X₁ + X₂ < 1
C) X₁ + X₂ > 1
D) X₁ + X₂ ≥ 1