Investors buy a studio apartment for $ 140,000$140,000. Of this​ amount, they have a down payment of $ 28,000$28,000. Their down payment is what percent of

Investors buy a studio apartment for $ 140,000$140,000. Of this​ amount, they have a down payment of $ 28,000$28,000. Their down payment is what percent of the purchase​ price?