Company A Company B Number of satisfied customers 80 90 Total number of customers 150 140 No of customers at the start of the period (Jan-March) 100 110 No of customers at the end of the period (Jan-March) 95 90 No of customers added during the period (Jan-March) 15 12 Expenditure on sales $10,500 $11,000 Customers acquired 20,000 22,000 On the basis of the above information, calculate the following performance metrics: a)Customer satisfaction score for company A & B. b)Customer retention rate for companies A & B. c)Customer Acquisition cost for companies A & B. d)According to you, which company has better performance and why