Pre-frost | Post-frost | |
Price of orange | $0.20 | $0.40 |
Price of grapefruit | 0.60 | 1.00 |
Price of lemon | 0.25 | 0.45 |
Cost of market basket (200 oranges, 50 grapefruit, 100 lemons) | (200 × $0.20) + (50 × $0.60) + (100 × $0.25) = $95.00 | (200 × $0.40) + (50 × $1.00) + (100 × $0.45) = $175.00 |