Sam's Insurance must choose between two types of printers. Both printers meet the firm's quality standard. Printer A costs $3,500 and is expected to last 3 years with operating costs of $380 per year. Printer B costs $2,500 and is expected to last 2 years with operating costs of $400 per year. Assume a discount rate of 10%. Which printer should Sam's Insurance purchase? What is the equivalent annual cost of this machine?