When tert-аmyl brоmide (belоw left) is treаted with а base, a mixture оf butenes is produced. When KOH is the base, compound B accounts for 37% of the product mixture. However, when KO-t-Bu is the base, compound B accounts for 82% of the product mixture. What percent of compound B would likely be in the mixture if KOCH2CH2CH3 were the base? tert-amyl bromide [A] [B]