You are assessing the liquidity position of two retail companies, RetailCo and SuperMart, to determine their ability to meet short-term obligations.

Requirements:

1. RetailCo has current assets of $100 million and current liabilities of $60 million as of December 31, 2023. SuperMart's current assets amount to $150 million, and current liabilities stand at $90 million on the same date.
2. Calculate the current ratio for both companies.
3. Determine which company has a stronger liquidity position based on its current ratio.