Grayson Enterprises manufactures springs and shock absorbers. Springs account for 40% of the company's total sales revenue, whereas shocks account for about 60%. The contribution margin ratios for springs and shocks are 45% and 35%, respectively. Grayson's fixed costs average $450,000 per month.

Grayson's monthly break-even point expressed in sales dollars is: (Round the answer to the nearest dollar.)

A)$2,285,714.

B)$1,000,000.

C)$1,153,846.

D)$1,285,714.