As a Human Resource Manager at San Jose State University $,$ you designed and implemented a training program to reduce the annual voluntary turnover rate of employees $.$ Now $,$ you want to measure the training program's success $.$ You have the relevant information below $.$ What is the return on investment of the training program $?$ Average cost of turnover of one employee $ $6,000$ Annual voluntary turnover reduction after training $7$ employees Total cost of training $($ course development $,$ materials $,$ instructor $,$ etc. $)$ $ $20,000120\%110\%130\%100\%$