You have been asked by Washed Water to interpret some marketing metrics from research data that will assist with its referral marketing strategy. You will be presenting the results to the board of directors of Washed Water. The available data indicates that out of a sample of 350 customers in 2018, 240 customers are willing to recommend products to other customers, and in 2019, out of a sample of 480 customers, 295 are willing to recommend. The survey used a binary yes/no scale answering the statement: I am willing to recommend Washed Water products to other companies.

Calculate and interpret the relevant customer-related marketing metrics from the available data. Your interpretation needs to be sufficiently comprehensive with recommendations to present to the board of directors