Answer:
Subtotal=$1.25
Step-by-step explanation:
Orange juice cost=$2.50
Current offer but 2 bottles=4 dollars
But you bought 1 bottle so the buy 2 for 4 dollars offer does not apply.
Subtotal=$2.50-store coupons-manufacturer's coupon
Subtotal=2.5-0.50-0.75=$1.25