GreenGro Inc., produces specialty lawn fertilzer. Total manufacturing costs are $400,000 when 100,000 bags of fertilizer are produced. Of this amount, total variable costs are $100,000. What are the total production costs when 105,000 bags are produced? (Assume the same relevant range for both production levels. Round any intermediary calculations to the nearest cent.) O A. $105,000 OB. $405,000 OC. $420,000 D. $505,000