Please show all calculations.

Jordan Corporation's balance sheet indicates that the company has $590,000 invested in operating assets. During the year, Jordan earned operating income of $69,620 on $1,180,000 of sales. Required a. Compute Jordan's profit margin for the year. b. Compute Jordan's turnover for the year. c. Compute Jordan's return on investment for the year. d. Recompute Jordan's ROI under each of the following independent assumptions: (1) Sales increase from $1,180,000 to $1,416,000, thereby resulting in an increase in operating income from $69,620 to $77,880. (2) Sales remain constant, but Jordan reduces expenses, resulting in an increase in operating income from $69,620 to $71,980. (3) Jordan is able to reduce its invested capital from $590,000 to $472,000 without affecting operating income