You are managing the digital marketing activities of a company and you are planning to choose the one with the highest return on marketing investment among $5$ different digital channels and increase your investment in that channel the next year.

$\backslash$table$[[$Marketing Channel,Net Return,Investment,$\backslash$table$[[$Return on Marketing$],[$Investment$]]],[$Digital channel $1,$$$1000,$$$500,2],[$Digital channel $2,$$$600,$$$700,$