________ are formal statements of expected product performance by the manufacturer

A company had inventory of 15 units at a cost of $20 each on November 1. On November 2, it purchased 10 units at $22 each. On November 6 it purchased 12 units at $25 each. On November 8, it sold 22 units for $54 each. Using the FIFO perpetual inventory method, what was the cost of the 22 units sold?

a. $454. b. $366. c. $450. d. $570. e. $520.

Walmart exemplifies the power of information systems coupled with excellent business practices and supportive management to achieve which of the following?

A) New business models B) Operational efficiency C) Customer intimacy D) Competitive advantage E) Survival