Last year, the cost of making an "indie" movie is $23.5 million. This year, a random sample of 20 movies had an average cost of $28.5 million with a sample standard deviation of $8.2 million. With =.10, can you conclude that it costs more than average to make a movie? Assume normal distribution.

A: Calc test used

B: Z-Score

C: P-value

Step 4: Draw line