Al is a medical doctor who conducts his practice as a sole proprietor. during 2019, he received cash of $334,200 for medical services. of the amount collected, $33,600 was for services provided in 2018. at the end of 2019, al had accounts receivable of $91,400, all for services rendered in 2019. in addition, at the end of the year, al received $11,000 as an advance payment from a health maintenance organization (hmo) for services to be rendered in 2020. compute ai's gross income for 2019 using the cash basis of accounting.

1. what must one do to perform the essential managerial task of controlling in achieving organizational goals? a. motivate, coordinate, and energize individuals and groups to work together to achieve organizational goals b. choose appropriate organizational goals and courses of action to best achieve those goals c. establish task and authority relationships that allow people to work together to achieve organizational goals d. establish accurate measuring and monitoring systems to evaluate how well the organization has achieved its goals