A factory's yearly budget for the purchase of employees' protection shoes increased by $60\%$ this year over last year. If the price of the shoes increased by $20\%$ this year, then the number of shoes it can purchase this year is what percent greater than the number of shoes it purchased last year?

1. A
   $140\%$
2. B
   $33\frac{1}{3}\%$
3. C
   $142\%$
4. D
   $48\%$