Beauty Products Ltd. has the following cost data for its two product ranges, Skincare and Haircare:

Particulars	Skincare (₹)	Haircare (₹)
Direct Material	1,00,000	1,30,000
Direct Labour	1,20,000	1,50,000
Factory Overheads	1,40,000	1,70,000
Selling and Distribution	60,000	70,000

Requirements:

1. Calculate the total cost for each product range.
2. Determine the cost per unit if the production volumes are 9,000 units for Skincare and 11,000 units for Haircare.
3. Compute the selling price per unit if the desired profit margin is 22% on cost.
4. Assess the impact on total cost if direct material costs increase by 12%.