Cost Breakdown

import matplotlib.pyplot as plt
import numpy as np

COLORS = {
    'labor': '#EF4444',
    'materials': '#F59E0B',
    'overhead': '#10B981',
    'marketing': '#3B82F6',
    'rd': '#8B5CF6',
    'background': '#FFFFFF',
    'text': '#1E293B',
    'text_muted': '#64748B',
    'grid': '#F1F5F9'
}

years = np.arange(2019, 2025)
labor = [40, 42, 38, 35, 45, 48]
materials = [25, 28, 30, 32, 35, 38]
overhead = [15, 16, 18, 20, 22, 24]
marketing = [12, 14, 16, 18, 20, 22]
rd = [8, 10, 12, 15, 18, 22]

fig, ax = plt.subplots(figsize=(10, 6), dpi=100)
ax.set_facecolor(COLORS['background'])
fig.patch.set_facecolor(COLORS['background'])

ax.stackplot(years, labor, materials, overhead, marketing, rd,
             colors=[COLORS['labor'], COLORS['materials'], COLORS['overhead'], 
                     COLORS['marketing'], COLORS['rd']],
             alpha=0.85, labels=['Labor', 'Materials', 'Overhead', 'Marketing', 'R&D'])

ax.spines['top'].set_visible(False)
ax.spines['right'].set_visible(False)
ax.spines['left'].set_color(COLORS['grid'])
ax.spines['bottom'].set_color(COLORS['grid'])
ax.yaxis.grid(True, color=COLORS['grid'], linewidth=1, zorder=0)
ax.set_axisbelow(True)
ax.tick_params(axis='both', colors=COLORS['text_muted'], labelsize=9, length=0, pad=8)
ax.set_xlim(2019, 2024)
ax.set_ylabel('Cost ($M)', fontsize=10, color=COLORS['text'], labelpad=10)
ax.legend(loc='upper center', bbox_to_anchor=(0.5, -0.12), ncol=5, frameon=False, fontsize=9, labelcolor=COLORS['text_muted'])

plt.tight_layout()
plt.show()