Answer:
1. Equivalent units
Direct materials = 70,000 units
Conversion Units = 47,000 + 23,000*40% = 47,000 + 9,200 = 56,200 units
2. Unit direct material cost = $38,500 / 70,000 = $0.55
Unit conversion cost = $61,820 / 56,200 = $1.10
Total unit cost = $0.55 + $1.10 = $1.65
3. New unit cost = $1.65 + ($4,700/47,000 units) = $1.65 + $0.1 = $1.75