Question 4

A durian dealer buys $100$ durians at a price of $\text{Rp}8,000.00$ per fruit. $70$ of them are sold at a selling price of $\text{Rp}10,000.00$ per fruit, and the rest are sold for $\text{Rp}7,000.00$ per fruit. If all of them are sold out, then the dealer makes a profit of...