Living Ornaments is offering a special for wedding planners. Wedding flower orders

totaling over $$500$ receive a $10\%$ discount, over $$750$ a $15\%$ discount, over $$1,000$ a $20\%$

discount. All orders $$1,500$ and above receive a $25\%$ discount. The delivery charge is $$74$

on weekdays and $$109$ on weekends. Terms are $\frac{2}{10}$ EOM. WeddingsRUs placed an order

for Thursday, June $1,$ delivery. The list price on the chosen flowers totals $$1,688\mathrm{.}50.$

Note: Round all intermediate calculations to $2$ decimal places $($the nearest penny$)$ and

enter your final answers rounded to $2$ decimal places.

a$.$ Calculate the trade discount and the net price for the flowers to be delivered.

Trade discount

Net price

b$.$ How much does WeddingsRUs owe if they pay the invoice on July $10?$

Payable amount