i need help with number 2 and 3 please step by step and formulas. thank you

Modern Lighting is looking at carrying a new line of lamps. Modern Lighting will buy these lamps for $11.76 each, with additional variable costs of $2.36 per unit. The company expec to sell the lamps for a price of $21.27. Setting up to sell the new line will involve fixed cost: of $32,345. How many lamps must Modern Lighting sell in order to just break even on the new lamps? (Rounding: one decimal place.) Answer: 1,710.47(4,523.8) Question 3 Mahmoud Inc. makes a leading line of mowers and tractors. Mahmoud Inc is looking at adding a new electric mower to its line. Setting up to manufacture the mower will involve relevant fixed costs of $2,395,264 for factory space and $1,104,700 for equipment, and variable costs of $2,513 for parts and $637 for direct labor. Mahmoud Inc expects to sell the new electric mower for $5,320 each. Calculate breakeven sales in units for the new mower. (Rounding: tenth of a unit.)