Last month, when $10,000$ units of a product were manufactured, the cost per unit was $$60.$ At this level of activity variable eosts are $50\%$ of total unit costs. If $10\mathrm{.}500$ units are manufacturnd next month and cost belaviour patterns remain unchanged the?

total variabie cost will remain unchanged.

fived costs will increase in total.

variable unst per unit will increase.

total cost per unit will decre re$.$