The table provides sales volume and total costs for each month of the past fiscal year. Month Total Costs Units Sold 98,000 11,200 January February 121,000 12,000 March 151,000 17,500 131,000 17,000 April May 125,000 16,000 June 100,000 12,000 July 154,000 17,000 August 175,000 18,000 September 82,000 9,000 October 108,000 I 13,000 November 114,000 13,500 December 119,000 15,000 Using regression analysis, the R-squared (rounded to 3 decimal places) would be Using regression analysis, the estimated monthly fixed cost (rounded to 2 decimal places) would be $ Using regression analysis, the estimated variable cost per unit (rounded to 2 decimal places) would be $ Using the rounded data from the requirements determined in questions 2 and 3, the total cost for the sales level of 8,000 units would be $ (Round to 2 decimal places.) Using the rounded data from the requirements determined in questions 2 and 3, the total cost for the sales level of 12,500 units would be $ (Round to 2 decimal places.) Using the rounded data from the requirements determined in questions 2 and 3, the total cost for the sales level of 20,000 units would be $ (Round to 2 decimal places.) Using the rounded data from the requirements determined in questions 2 and 3. if the selling price of the firm's products is $15.00, they need to sell units to break even. (Round to nearest whole unit.) If the selling price of the firm's products is $15.00, they need to sell units to generate a profit of $10.000 (Round to the nearest whole unit.)