P/E ratio is commonly known as P/E ratio. Stock price/earnings per share = 10 yuan/1 yuan = 10 times.

Profit growth rate because you didn't give enough data. You can't just calculate the growth rate for the current year's earnings per share.

If we add another condition, last year's earnings per share will be 0.8 yuan. Profit growth rate =( 1-0.8)/0.8=25%, that is, (earnings per share this year-earnings per share last year)/earnings per share last year * 100%.

It means earnings per share. Also called net profit per share.

Yes, high school education or above is required.