Last year, a property manager bought five identical snow shovels and six identical bags of salt. the total of the snow shovels was 172.50 before tax and each bag of salt cost 6.20$ before tax.This year the property manager bought two identical snow shovels and four identical bags of salt. the total cost of snow shovels was 70.38$ before tax and the total cost of the bags of salt was 26.04$ before tax.Determine the item with the greatest percent increase in the price from last year to this year. Be sure to include the percent increase of this item to the nearest percent.(Explain your answer)