A business manufactures and sells four products. When there are not enough labour hours to make all four products, which product should be made first?
- ASelling price $\$10$, variable costs $\$15$, labour hours $1$
- BSelling price $\$35$, variable costs $\$10$, labour hours $5$
- CSelling price $\$50$, variable costs $\$30$, labour hours $2$
- DSelling price $\$75$, variable costs $\$57$, labour hours $3$