Hello, I would greatly appreciate help in understanding how to compute the variables for this set of questions. Please be sure to explain.

a. Berry Company has 12,000,000 in sales. COGS are 40% of sales. Operating costs are $1,200,000plus depreciation expense of $80,000 andinterest expense $80,000. Tax rate is 40%. They have 1,000,000 shares of stock outstanding. Their net income is...$

b. Berry Company has 12,000,000 in sales. COGS are 40% of sales. Operating costs are $1,200,000 plus depreciation expense of $80,000 andinterest expense $80,000. Tax rate is 40%.Their gross profit margin is ___%.

c. Berry Company has 12,000,000 in sales. COGS are 40% of sales. Operating costs are $1,200,000plus depreciation expense of $80,000 andinterest expense $80,000. Tax rate is 40%. They have 1,000,000 shares of stock outstanding. If they retained 80% of net income, what is their dividend payout$___?

d. Berry Company has 12,000,000 in sales. COGS are 40% of sales. Operating costs are $1,200,000plus depreciation expense of $80,000 andinterest expense $80,000. Tax rate is 40%. They have 1,000,000 shares of stock outstanding. If they had EPS of $2.40 lst year, how does this year's EPS compare..higher or lower?