The Gibbs Baby Food Company wishes to compare the weight gain of infants using their brand versus their competitor's. A sample of 40 babies using the Gibbs products revealed a mean weight gain of 7.6 pounds in their first three months after birth. The population standard deviation of the sample was 2.3 pounds. A sample of 55 babies using the competitor's brand revealed a mean increase in weight of 8.1 pounds, with a population standard deviation of 2.9 pounds. The significance level is 0.05. Can we conclude that babies using Gibbs brand gained less weight? Compute the p-value and interpret it. Please use the Six-Step Hypothesis Testing In Excel and show formulas.