Correct ans is Vision jet
After more than a decade in development, Cirrus Aircraft has finally begun delivering its new SF50 Vision Jet to the first of more than 600 customers who've queued up for it. The curvy v-tailed airplane is both the smallest and, at $2 million, the most affordable private jet in the world
Business is considered as an economic activity because it is concerned with production , purchase ,sale and distribution of goods and services with a motive of gaining profit
Basically economic problems arise from the lack of resource every economy faces such crisis of lack of resource it is because their wants are unlimited and the resources are limited
Actually during summer, the length of the pendulum increases as a result of which the time period i.e T also increases so that's why the pendulum takes more time to complete one oscillation therefore it moves slow in summer