Klesko uses the piecework with minimum guarantee method of remuneration, employees are guaranteed 80% of a time-based rate of pay which is based on $40 per hour for an eight-hour working day. The standard time allowed per unit of output is three minutes. Piecework is paid at the rate of $36 per standard hour. If an employee produces 200 units in eight hours on a particular day, calculate the employee's gross pay for that day. O a. $320.00 O b. $256.00 O c. $288.00 O d. $360.00