The electronic absorption bands of many molecules in solution have half-widths at half-height of about 5000 cm⁻¹. Estimate the integrated absorption coefficients of bands for which

(a) ε_max ≈ 1 × 104 dm³ mol⁻¹ cm⁻¹,

(b) ε_max ≈ 5 × 102 dm³ mol⁻¹ cm⁻¹.