A company that sells eco-friendly cleaning products is concerned that only 19.5% of people who use such products select their brand. A marketing director suggests that the company invest in new advertising and labeling to strengthen its green image. The company decides to do so but in a test market so that the effectiveness of the marketing campaign may be evaluated. In this context, committing a Type I error

a		Occurs when they conclude that the percentage of customers purchasing the company's brand has decreased when in fact it has not.
b		Would result in the company spending money on a new marketing campaign that does increase the percentage of customers buying their brand.
c		Occurs when they conclude that the percentage of customers purchasing the company's brand has increased when in fact it has not and would result in the company wasting money on a new marketing campaign that does not increase the percentage of customers buying their brand
d		Would have absolutely no effect on the company.