Our net sales guidance is between €4,400,000,000 and 4,600,000,000 dollars Gross margin is expected to be between $2,000,000,000 $2,100,000,000 or approximately 46%, which includes $1,000,000,000 to $1,050,000,000 of Section 45x tax credits and €40,000,000 to €60,000,000 of ramp costs. SG and A expenses are expected to total €170,000,000 to €180,000,000 versus £197,000,000 in 2023, demonstrating our ability to leverage our largely fixed operating cost structure while expanding production. R and D expenses are expected to total $200,000,000 to $210,000,000 versus $152,000,000 in 2023. R and D expenses are increasing primarily due to commencing operations at our R and D Innovation Center and perovskite development line and the expectation of adding headcount to our R and D team to further invest in advanced research initiatives. SG and A and R and D expense combined is expected to total $370,000,000 to $390,000,000 Total operating expenses, which include $85,000,000 to $95,000,000 of production startup expense, are expected to be between $455,000,000 to $485,000,000 Operating income is expected to be between €1,500,000,000 and €1,600,000,000 implying an operating margin of approximately 34% to 35% and is inclusive of $125,000,000 to $155,000,000 of combined ramp costs and plant start up expenses and $1,000,000,000 to $1,050,000,000 of Section 45x tax credit.