Inquiry about Short Sleeve Cotton T-Shirt NEW

We are DEXSER, a company specialized in professional textiles, seeking a long-term partner for high-volume production of garments. We require short sleeve cotton T-shirts, 150g, in Navy color (Pantone TCX 19-4012 or equivalent). Printing specifications: 1-color white screen print on front (left chest) with 2 passes, 1-color white screen print on back with 2 passes, and 1-color white neck label print. Forecasted volumes: 500 pieces (test phase), 1,000 pieces, 2,500 pieces, and 5,000 pieces. Please provide: - Best firm all-in price per volume for T-shirt and printing. - Detailed breakdown of technical costs (e.g., screens, setup). - Production lead times. - Monthly production capacity.