A marketing company that relies on calling mobile phones, wanted to research if age group and type of response, were independent. The company took a random sample of mobile numbers, categorised them into two different age groups, and then recorded the response as one of three options: call answered, voicemail, call unanswered. The observed frequencies are summarized in the following table. Response Unanswered Voicemail Answered 40 years 34 11 Age group 65 > 40 years 53 50 68 What is the total number of calls made by the marketing company?