Yang Company Purchased Equipment on January 1 at a List $¥ 500,000$

Yang Company purchased equipment on January 1 at a list price of $¥ 500,000$ , with credit terms $2 / 10 , \mathrm { n } / 30$ . Payment was made within the discount period and Yang was given a $¥ 10,000$ cash discount. Yang paid $¥ 25,000$ sales tax on the equipment, and paid installation charges of $¥ 8,800$ . Prior to installation, Yang paid $¥ 20,000$ to pour a concrete slab on which to place the equipment. What is the total cost of the new equipment?

A) $¥ 523,800$
B) $¥ 543,800$
C) $¥ 553,800$
D) $\approx 505,000$