$1.$ Wan Zulaikha Arts Clinic purchased equipment list priced at RM$5,482\mathrm{.}95$ less series discounts of $3/8/10,$ with terms of $4/10-20$ extra. If the clinic paid the invvoice within $30$ days, find the amount paid.

$2.$ A retailer knows that $15\%$ of the dragon fruit purchased wilI spoil and must be thrown out. If the retailer buys $100$ baskets of dragon fruit for RM$6\mathrm{.}99$ per basket aand want a markup of $55\%$ on selling price, find the selling price per basket of dragon fruit.

$3.$ Rasheeda's Appliances, a retailer, pays RM$496$ for an air fryer. The original selling price was RM$681,$ but it was marked down $30\%.$If operating expensesare $20\%$ of cost$,$ find the operating loss.

$4.$Mustaffa signed a simple discount note for RM$8,450$ for $120$ dayys at a rate of $7\mathrm{.}5\%.$ Find the effective interest rate based on the proceeds received by Muustaffa

$5.$ Johari deposited RM$18,202$ in a savings account on January$1$ and then deposited an additional RM$3,113$ in the account on February $10.$ Find the balance on April $1$ assuming an interest rate of $3\%$ compounded daily.