Please help with the following statistics question:

A large group of customers has been polled concerning internet provider preferences in Montreal. There is a hypothesis that there is a tie amongst the three major internet providers. Here are the results of the survey, which is collected randomly: EBOX Bell (a) Test whether there is a significant difference in internet provider preferences in Montreal at 5% significant level. Please write down (1) the value of test statistics, [2) critical values and (3) make conclusion based on rejection region. (b) Test whether the population proportion of customers, who choose Bell, significantly exceed US. Use a 5% significance level. Please write down (1) the value of test statistics, (2) p-value and (3) make conclusion based on p-value