The restaurant sells bowls of salad for $10 each, with a production cost of $6 per bowl Any unsold salads at the end of the day are discarded with a salvage value of $0.5 per bowl. The daily demand for salad bow/s follows a normal distribution with a mean of 300 and a standard deviation of 40 . Based on the newsvendor model, what is. the optimal number of salad bowls the restaurant should prepate daily? 306 312 284 292